-73.78% is the change from 797 to 209
Calculation steps:
[( 209 - 797 ) ÷ 797] x 100 = -73.78%
Formula
Percentage change = [(209 - 797) / 797] x 100
Subtract the new number by the original number
209 - 797 = -588
-588 ÷ 797 = -0.7377666248431619
-0.7377666248431619 x 100 = -73.78%