-78.72% is the change from 235 to 50
Calculation steps:
[( 50 - 235 ) ÷ 235] x 100 = -78.72%
Formula
Percentage change = [(50 - 235) / 235] x 100
Subtract the new number by the original number
50 - 235 = -185
-185 ÷ 235 = -0.7872340425531915
-0.7872340425531915 x 100 = -78.72%