-77.29% is the change from 480 to 109
Calculation steps:
[( 109 - 480 ) ÷ 480] x 100 = -77.29%
Formula
Percentage change = [(109 - 480) / 480] x 100
Subtract the new number by the original number
109 - 480 = -371
-371 ÷ 480 = -0.7729166666666667
-0.7729166666666667 x 100 = -77.29%