67.44% is the change from 86 to 144
Calculation steps:
[( 144 - 86 ) ÷ 86] x 100 = 67.44%
Formula
Percentage change = [(144 - 86) / 86] x 100
Subtract the new number by the original number
144 - 86 = 58
58 ÷ 86 = 0.6744186046511628
0.6744186046511628 x 100 = 67.44%