-69.39% is the change from 477 to 146
Calculation steps:
[( 146 - 477 ) ÷ 477] x 100 = -69.39%
Formula
Percentage change = [(146 - 477) / 477] x 100
Subtract the new number by the original number
146 - 477 = -331
-331 ÷ 477 = -0.6939203354297694
-0.6939203354297694 x 100 = -69.39%