-8.52% is the change from 704 to 644
Calculation steps:
[( 644 - 704 ) ÷ 704] x 100 = -8.52%
Formula
Percentage change = [(644 - 704) / 704] x 100
Subtract the new number by the original number
644 - 704 = -60
-60 ÷ 704 = -0.08522727272727272
-0.08522727272727272 x 100 = -8.52%