-68.64% is the change from 877 to 275
Calculation steps:
[( 275 - 877 ) ÷ 877] x 100 = -68.64%
Formula
Percentage change = [(275 - 877) / 877] x 100
Subtract the new number by the original number
275 - 877 = -602
-602 ÷ 877 = -0.6864310148232611
-0.6864310148232611 x 100 = -68.64%