-38.8% is the change from 799 to 489
Calculation steps:
[( 489 - 799 ) ÷ 799] x 100 = -38.8%
Formula
Percentage change = [(489 - 799) / 799] x 100
Subtract the new number by the original number
489 - 799 = -310
-310 ÷ 799 = -0.3879849812265332
-0.3879849812265332 x 100 = -38.8%