-9.68% is the change from 713 to 644
Calculation steps:
[( 644 - 713 ) ÷ 713] x 100 = -9.68%
Formula
Percentage change = [(644 - 713) / 713] x 100
Subtract the new number by the original number
644 - 713 = -69
-69 ÷ 713 = -0.0967741935483871
-0.0967741935483871 x 100 = -9.68%