136.5% is the change from 137 to 324
Calculation steps:
[( 324 - 137 ) ÷ 137] x 100 = 136.5%
Formula
Percentage change = [(324 - 137) / 137] x 100
Subtract the new number by the original number
324 - 137 = 187
187 ÷ 137 = 1.364963503649635
1.364963503649635 x 100 = 136.5%