-47.28% is the change from 863 to 455
Calculation steps:
[( 455 - 863 ) ÷ 863] x 100 = -47.28%
Formula
Percentage change = [(455 - 863) / 863] x 100
Subtract the new number by the original number
455 - 863 = -408
-408 ÷ 863 = -0.4727694090382387
-0.4727694090382387 x 100 = -47.28%