1687.5% is the change from 40 to 715
Calculation steps:
[( 715 - 40 ) ÷ 40] x 100 = 1687.5%
Formula
Percentage change = [(715 - 40) / 40] x 100
Subtract the new number by the original number
715 - 40 = 675
675 ÷ 40 = 16.875
16.875 x 100 = 1687.5%
Example