-45.61% is the change from 877 to 477
Calculation steps:
[( 477 - 877 ) ÷ 877] x 100 = -45.61%
Formula
Percentage change = [(477 - 877) / 877] x 100
Subtract the new number by the original number
477 - 877 = -400
-400 ÷ 877 = -0.45610034207525657
-0.45610034207525657 x 100 = -45.61%