-43.82% is the change from 178 to 100
Calculation steps:
[( 100 - 178 ) ÷ 178] x 100 = -43.82%
Formula
Percentage change = [(100 - 178) / 178] x 100
Subtract the new number by the original number
100 - 178 = -78
-78 ÷ 178 = -0.43820224719101125
-0.43820224719101125 x 100 = -43.82%