161.98% is the change from 121 to 317
Calculation steps:
[( 317 - 121 ) ÷ 121] x 100 = 161.98%
Formula
Percentage change = [(317 - 121) / 121] x 100
Subtract the new number by the original number
317 - 121 = 196
196 ÷ 121 = 1.6198347107438016
1.6198347107438016 x 100 = 161.98%