7.14% is the change from 140 to 150
Calculation steps:
[( 150 - 140 ) ÷ 140] x 100 = 7.14%
Formula
Percentage change = [(150 - 140) / 140] x 100
Subtract the new number by the original number
150 - 140 = 10
10 ÷ 140 = 0.07142857142857142
0.07142857142857142 x 100 = 7.14%