-73.32% is the change from 877 to 234
Calculation steps:
[( 234 - 877 ) ÷ 877] x 100 = -73.32%
Formula
Percentage change = [(234 - 877) / 877] x 100
Subtract the new number by the original number
234 - 877 = -643
-643 ÷ 877 = -0.7331812998859749
-0.7331812998859749 x 100 = -73.32%