-11.34% is the change from 776 to 688
Calculation steps:
[( 688 - 776 ) ÷ 776] x 100 = -11.34%
Formula
Percentage change = [(688 - 776) / 776] x 100
Subtract the new number by the original number
688 - 776 = -88
-88 ÷ 776 = -0.1134020618556701
-0.1134020618556701 x 100 = -11.34%