-64.31% is the change from 877 to 313
Calculation steps:
[( 313 - 877 ) ÷ 877] x 100 = -64.31%
Formula
Percentage change = [(313 - 877) / 877] x 100
Subtract the new number by the original number
313 - 877 = -564
-564 ÷ 877 = -0.6431014823261118
-0.6431014823261118 x 100 = -64.31%