-50.93% is the change from 972 to 477
Calculation steps:
[( 477 - 972 ) ÷ 972] x 100 = -50.93%
Formula
Percentage change = [(477 - 972) / 972] x 100
Subtract the new number by the original number
477 - 972 = -495
-495 ÷ 972 = -0.5092592592592593
-0.5092592592592593 x 100 = -50.93%