12550% is the change from 4 to 506
Calculation steps:
[( 506 - 4 ) ÷ 4] x 100 = 12550%
Formula
Percentage change = [(506 - 4) / 4] x 100
Subtract the new number by the original number
506 - 4 = 502
502 ÷ 4 = 125.5
125.5 x 100 = 12550%
Example