51% is the change from 100 to 151
Calculation steps:
[( 151 - 100 ) ÷ 100] x 100 = 51%
Formula
Percentage change = [(151 - 100) / 100] x 100
Subtract the new number by the original number
151 - 100 = 51
51 ÷ 100 = 0.51
0.51 x 100 = 51%
Example