1607.5% is the change from 40 to 683
Calculation steps:
[( 683 - 40 ) ÷ 40] x 100 = 1607.5%
Formula
Percentage change = [(683 - 40) / 40] x 100
Subtract the new number by the original number
683 - 40 = 643
643 ÷ 40 = 16.075
16.075 x 100 = 1607.5%
Example