-84.38% is the change from 480 to 75
Calculation steps:
[( 75 - 480 ) ÷ 480] x 100 = -84.38%
Formula
Percentage change = [(75 - 480) / 480] x 100
Subtract the new number by the original number
75 - 480 = -405
-405 ÷ 480 = -0.84375
-0.84375 x 100 = -84.38%