-38.12% is the change from 863 to 534
Calculation steps:
[( 534 - 863 ) ÷ 863] x 100 = -38.12%
Formula
Percentage change = [(534 - 863) / 863] x 100
Subtract the new number by the original number
534 - 863 = -329
-329 ÷ 863 = -0.38122827346465815
-0.38122827346465815 x 100 = -38.12%