-20.33% is the change from 600 to 478
Calculation steps:
[( 478 - 600 ) ÷ 600] x 100 = -20.33%
Formula
Percentage change = [(478 - 600) / 600] x 100
Subtract the new number by the original number
478 - 600 = -122
-122 ÷ 600 = -0.20333333333333334
-0.20333333333333334 x 100 = -20.33%