-80.92% is the change from 807 to 154
Calculation steps:
[( 154 - 807 ) ÷ 807] x 100 = -80.92%
Formula
Percentage change = [(154 - 807) / 807] x 100
Subtract the new number by the original number
154 - 807 = -653
-653 ÷ 807 = -0.8091697645600991
-0.8091697645600991 x 100 = -80.92%