-16.79% is the change from 971 to 808
Calculation steps:
[( 808 - 971 ) ÷ 971] x 100 = -16.79%
Formula
Percentage change = [(808 - 971) / 971] x 100
Subtract the new number by the original number
808 - 971 = -163
-163 ÷ 971 = -0.1678681771369722
-0.1678681771369722 x 100 = -16.79%