-43.1% is the change from 877 to 499
Calculation steps:
[( 499 - 877 ) ÷ 877] x 100 = -43.1%
Formula
Percentage change = [(499 - 877) / 877] x 100
Subtract the new number by the original number
499 - 877 = -378
-378 ÷ 877 = -0.43101482326111745
-0.43101482326111745 x 100 = -43.1%