-48.71% is the change from 971 to 498
Calculation steps:
[( 498 - 971 ) ÷ 971] x 100 = -48.71%
Formula
Percentage change = [(498 - 971) / 971] x 100
Subtract the new number by the original number
498 - 971 = -473
-473 ÷ 971 = -0.48712667353244077
-0.48712667353244077 x 100 = -48.71%