66.45% is the change from 155 to 258
Calculation steps:
[( 258 - 155 ) ÷ 155] x 100 = 66.45%
Formula
Percentage change = [(258 - 155) / 155] x 100
Subtract the new number by the original number
258 - 155 = 103
103 ÷ 155 = 0.6645161290322581
0.6645161290322581 x 100 = 66.45%