-61.7% is the change from 799 to 306
Calculation steps:
[( 306 - 799 ) ÷ 799] x 100 = -61.7%
Formula
Percentage change = [(306 - 799) / 799] x 100
Subtract the new number by the original number
306 - 799 = -493
-493 ÷ 799 = -0.6170212765957447
-0.6170212765957447 x 100 = -61.7%