-83.78% is the change from 481 to 78
Calculation steps:
[( 78 - 481 ) ÷ 481] x 100 = -83.78%
Formula
Percentage change = [(78 - 481) / 481] x 100
Subtract the new number by the original number
78 - 481 = -403
-403 ÷ 481 = -0.8378378378378378
-0.8378378378378378 x 100 = -83.78%