86.3% is the change from 73 to 136
Calculation steps:
[( 136 - 73 ) ÷ 73] x 100 = 86.3%
Formula
Percentage change = [(136 - 73) / 73] x 100
Subtract the new number by the original number
136 - 73 = 63
63 ÷ 73 = 0.863013698630137
0.863013698630137 x 100 = 86.3%