-78.07% is the change from 807 to 177
Calculation steps:
[( 177 - 807 ) ÷ 807] x 100 = -78.07%
Formula
Percentage change = [(177 - 807) / 807] x 100
Subtract the new number by the original number
177 - 807 = -630
-630 ÷ 807 = -0.7806691449814126
-0.7806691449814126 x 100 = -78.07%