235.29% is the change from 51 to 171
Calculation steps:
[( 171 - 51 ) ÷ 51] x 100 = 235.29%
Formula
Percentage change = [(171 - 51) / 51] x 100
Subtract the new number by the original number
171 - 51 = 120
120 ÷ 51 = 2.3529411764705883
2.3529411764705883 x 100 = 235.29%