-74.1% is the change from 807 to 209
Calculation steps:
[( 209 - 807 ) ÷ 807] x 100 = -74.1%
Formula
Percentage change = [(209 - 807) / 807] x 100
Subtract the new number by the original number
209 - 807 = -598
-598 ÷ 807 = -0.7410161090458488
-0.7410161090458488 x 100 = -74.1%