-10.89% is the change from 771 to 687
Calculation steps:
[( 687 - 771 ) ÷ 771] x 100 = -10.89%
Formula
Percentage change = [(687 - 771) / 771] x 100
Subtract the new number by the original number
687 - 771 = -84
-84 ÷ 771 = -0.10894941634241245
-0.10894941634241245 x 100 = -10.89%