-50.98% is the change from 973 to 477
Calculation steps:
[( 477 - 973 ) ÷ 973] x 100 = -50.98%
Formula
Percentage change = [(477 - 973) / 973] x 100
Subtract the new number by the original number
477 - 973 = -496
-496 ÷ 973 = -0.5097636176772867
-0.5097636176772867 x 100 = -50.98%