-57.07% is the change from 799 to 343
Calculation steps:
[( 343 - 799 ) ÷ 799] x 100 = -57.07%
Formula
Percentage change = [(343 - 799) / 799] x 100
Subtract the new number by the original number
343 - 799 = -456
-456 ÷ 799 = -0.5707133917396746
-0.5707133917396746 x 100 = -57.07%