237.25% is the change from 51 to 172
Calculation steps:
[( 172 - 51 ) ÷ 51] x 100 = 237.25%
Formula
Percentage change = [(172 - 51) / 51] x 100
Subtract the new number by the original number
172 - 51 = 121
121 ÷ 51 = 2.372549019607843
2.372549019607843 x 100 = 237.25%