-61.83% is the change from 807 to 308
Calculation steps:
[( 308 - 807 ) ÷ 807] x 100 = -61.83%
Formula
Percentage change = [(308 - 807) / 807] x 100
Subtract the new number by the original number
308 - 807 = -499
-499 ÷ 807 = -0.6183395291201983
-0.6183395291201983 x 100 = -61.83%