63.48% is the change from 115 to 188
Calculation steps:
[( 188 - 115 ) ÷ 115] x 100 = 63.48%
Formula
Percentage change = [(188 - 115) / 115] x 100
Subtract the new number by the original number
188 - 115 = 73
73 ÷ 115 = 0.6347826086956522
0.6347826086956522 x 100 = 63.48%