152.53% is the change from 99 to 250
Calculation steps:
[( 250 - 99 ) ÷ 99] x 100 = 152.53%
Formula
Percentage change = [(250 - 99) / 99] x 100
Subtract the new number by the original number
250 - 99 = 151
151 ÷ 99 = 1.5252525252525253
1.5252525252525253 x 100 = 152.53%