164.71% is the change from 34 to 90
Calculation steps:
[( 90 - 34 ) ÷ 34] x 100 = 164.71%
Formula
Percentage change = [(90 - 34) / 34] x 100
Subtract the new number by the original number
90 - 34 = 56
56 ÷ 34 = 1.6470588235294117
1.6470588235294117 x 100 = 164.71%