-29.9% is the change from 863 to 605
Calculation steps:
[( 605 - 863 ) ÷ 863] x 100 = -29.9%
Formula
Percentage change = [(605 - 863) / 863] x 100
Subtract the new number by the original number
605 - 863 = -258
-258 ÷ 863 = -0.2989571263035921
-0.2989571263035921 x 100 = -29.9%