-28.97% is the change from 887 to 630
Calculation steps:
[( 630 - 887 ) ÷ 887] x 100 = -28.97%
Formula
Percentage change = [(630 - 887) / 887] x 100
Subtract the new number by the original number
630 - 887 = -257
-257 ÷ 887 = -0.2897406989853439
-0.2897406989853439 x 100 = -28.97%