65.56% is the change from 151 to 250
Calculation steps:
[( 250 - 151 ) ÷ 151] x 100 = 65.56%
Formula
Percentage change = [(250 - 151) / 151] x 100
Subtract the new number by the original number
250 - 151 = 99
99 ÷ 151 = 0.6556291390728477
0.6556291390728477 x 100 = 65.56%