-30.54% is the change from 799 to 555
Calculation steps:
[( 555 - 799 ) ÷ 799] x 100 = -30.54%
Formula
Percentage change = [(555 - 799) / 799] x 100
Subtract the new number by the original number
555 - 799 = -244
-244 ÷ 799 = -0.3053817271589487
-0.3053817271589487 x 100 = -30.54%