-80.85% is the change from 235 to 45
Calculation steps:
[( 45 - 235 ) ÷ 235] x 100 = -80.85%
Formula
Percentage change = [(45 - 235) / 235] x 100
Subtract the new number by the original number
45 - 235 = -190
-190 ÷ 235 = -0.8085106382978723
-0.8085106382978723 x 100 = -80.85%