-83.56% is the change from 797 to 131
Calculation steps:
[( 131 - 797 ) ÷ 797] x 100 = -83.56%
Formula
Percentage change = [(131 - 797) / 797] x 100
Subtract the new number by the original number
131 - 797 = -666
-666 ÷ 797 = -0.835633626097867
-0.835633626097867 x 100 = -83.56%