160.33% is the change from 121 to 315
Calculation steps:
[( 315 - 121 ) ÷ 121] x 100 = 160.33%
Formula
Percentage change = [(315 - 121) / 121] x 100
Subtract the new number by the original number
315 - 121 = 194
194 ÷ 121 = 1.603305785123967
1.603305785123967 x 100 = 160.33%