2500% is the change from 2 to 52
Calculation steps:
[( 52 - 2 ) ÷ 2] x 100 = 2500%
Formula
Percentage change = [(52 - 2) / 2] x 100
Subtract the new number by the original number
52 - 2 = 50
50 ÷ 2 = 25
25 x 100 = 2500%
Example