-6.93% is the change from 635 to 591
Calculation steps:
[( 591 - 635 ) ÷ 635] x 100 = -6.93%
Formula
Percentage change = [(591 - 635) / 635] x 100
Subtract the new number by the original number
591 - 635 = -44
-44 ÷ 635 = -0.06929133858267716
-0.06929133858267716 x 100 = -6.93%