-99.13% is the change from 115 to 1
Calculation steps:
[( 1 - 115 ) ÷ 115] x 100 = -99.13%
Formula
Percentage change = [(1 - 115) / 115] x 100
Subtract the new number by the original number
1 - 115 = -114
-114 ÷ 115 = -0.991304347826087
-0.991304347826087 x 100 = -99.13%