-81.7% is the change from 481 to 88
Calculation steps:
[( 88 - 481 ) ÷ 481] x 100 = -81.7%
Formula
Percentage change = [(88 - 481) / 481] x 100
Subtract the new number by the original number
88 - 481 = -393
-393 ÷ 481 = -0.817047817047817
-0.817047817047817 x 100 = -81.7%