55.42% is the change from 166 to 258
Calculation steps:
[( 258 - 166 ) ÷ 166] x 100 = 55.42%
Formula
Percentage change = [(258 - 166) / 166] x 100
Subtract the new number by the original number
258 - 166 = 92
92 ÷ 166 = 0.5542168674698795
0.5542168674698795 x 100 = 55.42%