-55.64% is the change from 877 to 389
Calculation steps:
[( 389 - 877 ) ÷ 877] x 100 = -55.64%
Formula
Percentage change = [(389 - 877) / 877] x 100
Subtract the new number by the original number
389 - 877 = -488
-488 ÷ 877 = -0.556442417331813
-0.556442417331813 x 100 = -55.64%