-65.96% is the change from 235 to 80
Calculation steps:
[( 80 - 235 ) ÷ 235] x 100 = -65.96%
Formula
Percentage change = [(80 - 235) / 235] x 100
Subtract the new number by the original number
80 - 235 = -155
-155 ÷ 235 = -0.6595744680851063
-0.6595744680851063 x 100 = -65.96%