-69.18% is the change from 477 to 147
Calculation steps:
[( 147 - 477 ) ÷ 477] x 100 = -69.18%
Formula
Percentage change = [(147 - 477) / 477] x 100
Subtract the new number by the original number
147 - 477 = -330
-330 ÷ 477 = -0.6918238993710691
-0.6918238993710691 x 100 = -69.18%