-15.35% is the change from 971 to 822
Calculation steps:
[( 822 - 971 ) ÷ 971] x 100 = -15.35%
Formula
Percentage change = [(822 - 971) / 971] x 100
Subtract the new number by the original number
822 - 971 = -149
-149 ÷ 971 = -0.15345005149330587
-0.15345005149330587 x 100 = -15.35%