7.59% is the change from 158 to 170
Calculation steps:
[( 170 - 158 ) ÷ 158] x 100 = 7.59%
Formula
Percentage change = [(170 - 158) / 158] x 100
Subtract the new number by the original number
170 - 158 = 12
12 ÷ 158 = 0.0759493670886076
0.0759493670886076 x 100 = 7.59%