-51.49% is the change from 971 to 471
Calculation steps:
[( 471 - 971 ) ÷ 971] x 100 = -51.49%
Formula
Percentage change = [(471 - 971) / 971] x 100
Subtract the new number by the original number
471 - 971 = -500
-500 ÷ 971 = -0.5149330587023687
-0.5149330587023687 x 100 = -51.49%