-64.83% is the change from 887 to 312
Calculation steps:
[( 312 - 887 ) ÷ 887] x 100 = -64.83%
Formula
Percentage change = [(312 - 887) / 887] x 100
Subtract the new number by the original number
312 - 887 = -575
-575 ÷ 887 = -0.6482525366403608
-0.6482525366403608 x 100 = -64.83%