17.81% is the change from 73 to 86
Calculation steps:
[( 86 - 73 ) ÷ 73] x 100 = 17.81%
Formula
Percentage change = [(86 - 73) / 73] x 100
Subtract the new number by the original number
86 - 73 = 13
13 ÷ 73 = 0.1780821917808219
0.1780821917808219 x 100 = 17.81%