-80.73% is the change from 799 to 154
Calculation steps:
[( 154 - 799 ) ÷ 799] x 100 = -80.73%
Formula
Percentage change = [(154 - 799) / 799] x 100
Subtract the new number by the original number
154 - 799 = -645
-645 ÷ 799 = -0.8072590738423029
-0.8072590738423029 x 100 = -80.73%