123.53% is the change from 136 to 304
Calculation steps:
[( 304 - 136 ) ÷ 136] x 100 = 123.53%
Formula
Percentage change = [(304 - 136) / 136] x 100
Subtract the new number by the original number
304 - 136 = 168
168 ÷ 136 = 1.2352941176470589
1.2352941176470589 x 100 = 123.53%