394.85% is the change from 136 to 673
Calculation steps:
[( 673 - 136 ) ÷ 136] x 100 = 394.85%
Formula
Percentage change = [(673 - 136) / 136] x 100
Subtract the new number by the original number
673 - 136 = 537
537 ÷ 136 = 3.948529411764706
3.948529411764706 x 100 = 394.85%