-29.65% is the change from 877 to 617
Calculation steps:
[( 617 - 877 ) ÷ 877] x 100 = -29.65%
Formula
Percentage change = [(617 - 877) / 877] x 100
Subtract the new number by the original number
617 - 877 = -260
-260 ÷ 877 = -0.29646522234891676
-0.29646522234891676 x 100 = -29.65%