-35.83% is the change from 480 to 308
Calculation steps:
[( 308 - 480 ) ÷ 480] x 100 = -35.83%
Formula
Percentage change = [(308 - 480) / 480] x 100
Subtract the new number by the original number
308 - 480 = -172
-172 ÷ 480 = -0.35833333333333334
-0.35833333333333334 x 100 = -35.83%