141.09% is the change from 129 to 311
Calculation steps:
[( 311 - 129 ) ÷ 129] x 100 = 141.09%
Formula
Percentage change = [(311 - 129) / 129] x 100
Subtract the new number by the original number
311 - 129 = 182
182 ÷ 129 = 1.4108527131782946
1.4108527131782946 x 100 = 141.09%