-38.7% is the change from 863 to 529
Calculation steps:
[( 529 - 863 ) ÷ 863] x 100 = -38.7%
Formula
Percentage change = [(529 - 863) / 863] x 100
Subtract the new number by the original number
529 - 863 = -334
-334 ÷ 863 = -0.3870220162224797
-0.3870220162224797 x 100 = -38.7%