25000% is the change from 2 to 502
Calculation steps:
[( 502 - 2 ) ÷ 2] x 100 = 25000%
Formula
Percentage change = [(502 - 2) / 2] x 100
Subtract the new number by the original number
502 - 2 = 500
500 ÷ 2 = 250
250 x 100 = 25000%
Example