-97.08% is the change from 480 to 14
Calculation steps:
[( 14 - 480 ) ÷ 480] x 100 = -97.08%
Formula
Percentage change = [(14 - 480) / 480] x 100
Subtract the new number by the original number
14 - 480 = -466
-466 ÷ 480 = -0.9708333333333333
-0.9708333333333333 x 100 = -97.08%