87.6% is the change from 121 to 227
Calculation steps:
[( 227 - 121 ) ÷ 121] x 100 = 87.6%
Formula
Percentage change = [(227 - 121) / 121] x 100
Subtract the new number by the original number
227 - 121 = 106
106 ÷ 121 = 0.8760330578512396
0.8760330578512396 x 100 = 87.6%