-27.9% is the change from 803 to 579
Calculation steps:
[( 579 - 803 ) ÷ 803] x 100 = -27.9%
Formula
Percentage change = [(579 - 803) / 803] x 100
Subtract the new number by the original number
579 - 803 = -224
-224 ÷ 803 = -0.27895392278953923
-0.27895392278953923 x 100 = -27.9%