-47.89% is the change from 877 to 457
Calculation steps:
[( 457 - 877 ) ÷ 877] x 100 = -47.89%
Formula
Percentage change = [(457 - 877) / 877] x 100
Subtract the new number by the original number
457 - 877 = -420
-420 ÷ 877 = -0.4789053591790194
-0.4789053591790194 x 100 = -47.89%