-79.21% is the change from 481 to 100
Calculation steps:
[( 100 - 481 ) ÷ 481] x 100 = -79.21%
Formula
Percentage change = [(100 - 481) / 481] x 100
Subtract the new number by the original number
100 - 481 = -381
-381 ÷ 481 = -0.7920997920997921
-0.7920997920997921 x 100 = -79.21%