-35.39% is the change from 178 to 115
Calculation steps:
[( 115 - 178 ) ÷ 178] x 100 = -35.39%
Formula
Percentage change = [(115 - 178) / 178] x 100
Subtract the new number by the original number
115 - 178 = -63
-63 ÷ 178 = -0.3539325842696629
-0.3539325842696629 x 100 = -35.39%