12850% is the change from 4 to 518
Calculation steps:
[( 518 - 4 ) ÷ 4] x 100 = 12850%
Formula
Percentage change = [(518 - 4) / 4] x 100
Subtract the new number by the original number
518 - 4 = 514
514 ÷ 4 = 128.5
128.5 x 100 = 12850%
Example