-48.46% is the change from 972 to 501
Calculation steps:
[( 501 - 972 ) ÷ 972] x 100 = -48.46%
Formula
Percentage change = [(501 - 972) / 972] x 100
Subtract the new number by the original number
501 - 972 = -471
-471 ÷ 972 = -0.4845679012345679
-0.4845679012345679 x 100 = -48.46%