1402.5% is the change from 40 to 601
Calculation steps:
[( 601 - 40 ) ÷ 40] x 100 = 1402.5%
Formula
Percentage change = [(601 - 40) / 40] x 100
Subtract the new number by the original number
601 - 40 = 561
561 ÷ 40 = 14.025
14.025 x 100 = 1402.5%
Example