6.48% is the change from 108 to 115
Calculation steps:
[( 115 - 108 ) ÷ 108] x 100 = 6.48%
Formula
Percentage change = [(115 - 108) / 108] x 100
Subtract the new number by the original number
115 - 108 = 7
7 ÷ 108 = 0.06481481481481481
0.06481481481481481 x 100 = 6.48%