-48.92% is the change from 971 to 496
Calculation steps:
[( 496 - 971 ) ÷ 971] x 100 = -48.92%
Formula
Percentage change = [(496 - 971) / 971] x 100
Subtract the new number by the original number
496 - 971 = -475
-475 ÷ 971 = -0.48918640576725025
-0.48918640576725025 x 100 = -48.92%