-37.05% is the change from 799 to 503
Calculation steps:
[( 503 - 799 ) ÷ 799] x 100 = -37.05%
Formula
Percentage change = [(503 - 799) / 799] x 100
Subtract the new number by the original number
503 - 799 = -296
-296 ÷ 799 = -0.3704630788485607
-0.3704630788485607 x 100 = -37.05%