12.86% is the change from 140 to 158
Calculation steps:
[( 158 - 140 ) ÷ 140] x 100 = 12.86%
Formula
Percentage change = [(158 - 140) / 140] x 100
Subtract the new number by the original number
158 - 140 = 18
18 ÷ 140 = 0.12857142857142856
0.12857142857142856 x 100 = 12.86%