-80.15% is the change from 403 to 80
Calculation steps:
[( 80 - 403 ) ÷ 403] x 100 = -80.15%
Formula
Percentage change = [(80 - 403) / 403] x 100
Subtract the new number by the original number
80 - 403 = -323
-323 ÷ 403 = -0.8014888337468983
-0.8014888337468983 x 100 = -80.15%