-1.74% is the change from 115 to 113
Calculation steps:
[( 113 - 115 ) ÷ 115] x 100 = -1.74%
Formula
Percentage change = [(113 - 115) / 115] x 100
Subtract the new number by the original number
113 - 115 = -2
-2 ÷ 115 = -0.017391304347826087
-0.017391304347826087 x 100 = -1.74%