1410% is the change from 40 to 604
Calculation steps:
[( 604 - 40 ) ÷ 40] x 100 = 1410%
Formula
Percentage change = [(604 - 40) / 40] x 100
Subtract the new number by the original number
604 - 40 = 564
564 ÷ 40 = 14.1
14.1 x 100 = 1410%
Example