-17.51% is the change from 971 to 801
Calculation steps:
[( 801 - 971 ) ÷ 971] x 100 = -17.51%
Formula
Percentage change = [(801 - 971) / 971] x 100
Subtract the new number by the original number
801 - 971 = -170
-170 ÷ 971 = -0.17507723995880536
-0.17507723995880536 x 100 = -17.51%