-7.58% is the change from 699 to 646
Calculation steps:
[( 646 - 699 ) ÷ 699] x 100 = -7.58%
Formula
Percentage change = [(646 - 699) / 699] x 100
Subtract the new number by the original number
646 - 699 = -53
-53 ÷ 699 = -0.07582260371959942
-0.07582260371959942 x 100 = -7.58%