121.13% is the change from 142 to 314
Calculation steps:
[( 314 - 142 ) ÷ 142] x 100 = 121.13%
Formula
Percentage change = [(314 - 142) / 142] x 100
Subtract the new number by the original number
314 - 142 = 172
172 ÷ 142 = 1.2112676056338028
1.2112676056338028 x 100 = 121.13%