43.48% is the change from 115 to 165
Calculation steps:
[( 165 - 115 ) ÷ 115] x 100 = 43.48%
Formula
Percentage change = [(165 - 115) / 115] x 100
Subtract the new number by the original number
165 - 115 = 50
50 ÷ 115 = 0.43478260869565216
0.43478260869565216 x 100 = 43.48%