-11.19% is the change from 688 to 611
Calculation steps:
[( 611 - 688 ) ÷ 688] x 100 = -11.19%
Formula
Percentage change = [(611 - 688) / 688] x 100
Subtract the new number by the original number
611 - 688 = -77
-77 ÷ 688 = -0.1119186046511628
-0.1119186046511628 x 100 = -11.19%