161.16% is the change from 121 to 316
Calculation steps:
[( 316 - 121 ) ÷ 121] x 100 = 161.16%
Formula
Percentage change = [(316 - 121) / 121] x 100
Subtract the new number by the original number
316 - 121 = 195
195 ÷ 121 = 1.6115702479338843
1.6115702479338843 x 100 = 161.16%