-8.13% is the change from 701 to 644
Calculation steps:
[( 644 - 701 ) ÷ 701] x 100 = -8.13%
Formula
Percentage change = [(644 - 701) / 701] x 100
Subtract the new number by the original number
644 - 701 = -57
-57 ÷ 701 = -0.08131241084165478
-0.08131241084165478 x 100 = -8.13%