407.84% is the change from 102 to 518
Calculation steps:
[( 518 - 102 ) ÷ 102] x 100 = 407.84%
Formula
Percentage change = [(518 - 102) / 102] x 100
Subtract the new number by the original number
518 - 102 = 416
416 ÷ 102 = 4.078431372549019
4.078431372549019 x 100 = 407.84%