-41.03% is the change from 195 to 115
Calculation steps:
[( 115 - 195 ) ÷ 195] x 100 = -41.03%
Formula
Percentage change = [(115 - 195) / 195] x 100
Subtract the new number by the original number
115 - 195 = -80
-80 ÷ 195 = -0.41025641025641024
-0.41025641025641024 x 100 = -41.03%