152.94% is the change from 34 to 86
Calculation steps:
[( 86 - 34 ) ÷ 34] x 100 = 152.94%
Formula
Percentage change = [(86 - 34) / 34] x 100
Subtract the new number by the original number
86 - 34 = 52
52 ÷ 34 = 1.5294117647058822
1.5294117647058822 x 100 = 152.94%