-83.37% is the change from 481 to 80
Calculation steps:
[( 80 - 481 ) ÷ 481] x 100 = -83.37%
Formula
Percentage change = [(80 - 481) / 481] x 100
Subtract the new number by the original number
80 - 481 = -401
-401 ÷ 481 = -0.8336798336798337
-0.8336798336798337 x 100 = -83.37%