137.98% is the change from 129 to 307
Calculation steps:
[( 307 - 129 ) ÷ 129] x 100 = 137.98%
Formula
Percentage change = [(307 - 129) / 129] x 100
Subtract the new number by the original number
307 - 129 = 178
178 ÷ 129 = 1.37984496124031
1.37984496124031 x 100 = 137.98%