-75.34% is the change from 807 to 199
Calculation steps:
[( 199 - 807 ) ÷ 807] x 100 = -75.34%
Formula
Percentage change = [(199 - 807) / 807] x 100
Subtract the new number by the original number
199 - 807 = -608
-608 ÷ 807 = -0.7534076827757125
-0.7534076827757125 x 100 = -75.34%