12.82% is the change from 78 to 88
Calculation steps:
[( 88 - 78 ) ÷ 78] x 100 = 12.82%
Formula
Percentage change = [(88 - 78) / 78] x 100
Subtract the new number by the original number
88 - 78 = 10
10 ÷ 78 = 0.1282051282051282
0.1282051282051282 x 100 = 12.82%