-79.74% is the change from 997 to 202
Calculation steps:
[( 202 - 997 ) ÷ 997] x 100 = -79.74%
Formula
Percentage change = [(202 - 997) / 997] x 100
Subtract the new number by the original number
202 - 997 = -795
-795 ÷ 997 = -0.7973921765295887
-0.7973921765295887 x 100 = -79.74%