-40.72% is the change from 194 to 115
Calculation steps:
[( 115 - 194 ) ÷ 194] x 100 = -40.72%
Formula
Percentage change = [(115 - 194) / 194] x 100
Subtract the new number by the original number
115 - 194 = -79
-79 ÷ 194 = -0.4072164948453608
-0.4072164948453608 x 100 = -40.72%