-80.68% is the change from 797 to 154
Calculation steps:
[( 154 - 797 ) ÷ 797] x 100 = -80.68%
Formula
Percentage change = [(154 - 797) / 797] x 100
Subtract the new number by the original number
154 - 797 = -643
-643 ÷ 797 = -0.8067754077791719
-0.8067754077791719 x 100 = -80.68%