-7.33% is the change from 696 to 645
Calculation steps:
[( 645 - 696 ) ÷ 696] x 100 = -7.33%
Formula
Percentage change = [(645 - 696) / 696] x 100
Subtract the new number by the original number
645 - 696 = -51
-51 ÷ 696 = -0.07327586206896551
-0.07327586206896551 x 100 = -7.33%