7.83% is the change from 115 to 124
Calculation steps:
[( 124 - 115 ) ÷ 115] x 100 = 7.83%
Formula
Percentage change = [(124 - 115) / 115] x 100
Subtract the new number by the original number
124 - 115 = 9
9 ÷ 115 = 0.0782608695652174
0.0782608695652174 x 100 = 7.83%