109.09% is the change from 121 to 253
Calculation steps:
[( 253 - 121 ) ÷ 121] x 100 = 109.09%
Formula
Percentage change = [(253 - 121) / 121] x 100
Subtract the new number by the original number
253 - 121 = 132
132 ÷ 121 = 1.0909090909090908
1.0909090909090908 x 100 = 109.09%