25000% is the change from 1 to 251
Calculation steps:
[( 251 - 1 ) ÷ 1] x 100 = 25000%
Formula
Percentage change = [(251 - 1) / 1] x 100
Subtract the new number by the original number
251 - 1 = 250
250 ÷ 1 = 250
250 x 100 = 25000%
Example