-74.78% is the change from 115 to 29
Calculation steps:
[( 29 - 115 ) ÷ 115] x 100 = -74.78%
Formula
Percentage change = [(29 - 115) / 115] x 100
Subtract the new number by the original number
29 - 115 = -86
-86 ÷ 115 = -0.7478260869565218
-0.7478260869565218 x 100 = -74.78%