-82.34% is the change from 453 to 80
Calculation steps:
[( 80 - 453 ) ÷ 453] x 100 = -82.34%
Formula
Percentage change = [(80 - 453) / 453] x 100
Subtract the new number by the original number
80 - 453 = -373
-373 ÷ 453 = -0.8233995584988962
-0.8233995584988962 x 100 = -82.34%