-16.37% is the change from 971 to 812
Calculation steps:
[( 812 - 971 ) ÷ 971] x 100 = -16.37%
Formula
Percentage change = [(812 - 971) / 971] x 100
Subtract the new number by the original number
812 - 971 = -159
-159 ÷ 971 = -0.16374871266735325
-0.16374871266735325 x 100 = -16.37%