-23.95% is the change from 877 to 667
Calculation steps:
[( 667 - 877 ) ÷ 877] x 100 = -23.95%
Formula
Percentage change = [(667 - 877) / 877] x 100
Subtract the new number by the original number
667 - 877 = -210
-210 ÷ 877 = -0.2394526795895097
-0.2394526795895097 x 100 = -23.95%