-36.27% is the change from 863 to 550
Calculation steps:
[( 550 - 863 ) ÷ 863] x 100 = -36.27%
Formula
Percentage change = [(550 - 863) / 863] x 100
Subtract the new number by the original number
550 - 863 = -313
-313 ÷ 863 = -0.3626882966396292
-0.3626882966396292 x 100 = -36.27%