Question

If 40 is increased to 56, what is the percent of change? 40% 71% 29% 80%​

Answer 1

40-100%
56-x%

x=56*100/40=140%
140-100=40%

Increase by 40%

Answer 2

40%

Explanation:

first, find the difference

56 - 40 = 16

now parts over whole,

16/40

simplify

2/5

now it should be clear because,

2/5 = 0.4

and 0.4 as a percent is 40%