-50.82% is the change from 970 to 477
Calculation steps:
[( 477 - 970 ) ÷ 970] x 100 = -50.82%
Formula
Percentage change = [(477 - 970) / 970] x 100
Subtract the new number by the original number
477 - 970 = -493
-493 ÷ 970 = -0.5082474226804123
-0.5082474226804123 x 100 = -50.82%