1587.5% is the change from 40 to 675
Calculation steps:
[( 675 - 40 ) ÷ 40] x 100 = 1587.5%
Formula
Percentage change = [(675 - 40) / 40] x 100
Subtract the new number by the original number
675 - 40 = 635
635 ÷ 40 = 15.875
15.875 x 100 = 1587.5%
Example