-8.99% is the change from 756 to 688
Calculation steps:
[( 688 - 756 ) ÷ 756] x 100 = -8.99%
Formula
Percentage change = [(688 - 756) / 756] x 100
Subtract the new number by the original number
688 - 756 = -68
-68 ÷ 756 = -0.08994708994708994
-0.08994708994708994 x 100 = -8.99%