-79.55% is the change from 797 to 163
Calculation steps:
[( 163 - 797 ) ÷ 797] x 100 = -79.55%
Formula
Percentage change = [(163 - 797) / 797] x 100
Subtract the new number by the original number
163 - 797 = -634
-634 ÷ 797 = -0.795483061480552
-0.795483061480552 x 100 = -79.55%