1417.5% is the change from 40 to 607
Calculation steps:
[( 607 - 40 ) ÷ 40] x 100 = 1417.5%
Formula
Percentage change = [(607 - 40) / 40] x 100
Subtract the new number by the original number
607 - 40 = 567
567 ÷ 40 = 14.175
14.175 x 100 = 1417.5%
Example