PERCENTAGE CHANGE

Front

Back

24

Front

Back

2400

Front

Back

286

Front

Back

2616

Front

Back

57.2 miles

Front

Back

16920

Front

In a wetland, 400 birds were observed in 2018 and 450 birds were observed in 2019. Find the change of the no. of birds.

Back

increased by 50

Front

The height of Tom is 132cm. He is 10% taller than last year. What is his height last year?

Back

120 cm

Front

The fee of lunch was $40 per head. It becomes $30 per head this year. Find the change.

Back

decreased by $10

Front

Mr Tam can finish 3000m in 20 min last year and he can do it in 18 min this year. What is the change?

Back

-2 min