-7.9% is the change from 696 to 641
Calculation steps:
[( 641 - 696 ) ÷ 696] x 100 = -7.9%
Formula
Percentage change = [(641 - 696) / 696] x 100
Subtract the new number by the original number
641 - 696 = -55
-55 ÷ 696 = -0.07902298850574713
-0.07902298850574713 x 100 = -7.9%