122.63% is the change from 137 to 305
Calculation steps:
[( 305 - 137 ) ÷ 137] x 100 = 122.63%
Formula
Percentage change = [(305 - 137) / 137] x 100
Subtract the new number by the original number
305 - 137 = 168
168 ÷ 137 = 1.2262773722627738
1.2262773722627738 x 100 = 122.63%