1195% is the change from 40 to 518
Calculation steps:
[( 518 - 40 ) ÷ 40] x 100 = 1195%
Formula
Percentage change = [(518 - 40) / 40] x 100
Subtract the new number by the original number
518 - 40 = 478
478 ÷ 40 = 11.95
11.95 x 100 = 1195%
Example