112.4% is the change from 129 to 274
Calculation steps:
[( 274 - 129 ) ÷ 129] x 100 = 112.4%
Formula
Percentage change = [(274 - 129) / 129] x 100
Subtract the new number by the original number
274 - 129 = 145
145 ÷ 129 = 1.124031007751938
1.124031007751938 x 100 = 112.4%