-36.88% is the change from 480 to 303
Calculation steps:
[( 303 - 480 ) ÷ 480] x 100 = -36.88%
Formula
Percentage change = [(303 - 480) / 480] x 100
Subtract the new number by the original number
303 - 480 = -177
-177 ÷ 480 = -0.36875
-0.36875 x 100 = -36.88%