-6.46% is the change from 635 to 594
Calculation steps:
[( 594 - 635 ) ÷ 635] x 100 = -6.46%
Formula
Percentage change = [(594 - 635) / 635] x 100
Subtract the new number by the original number
594 - 635 = -41
-41 ÷ 635 = -0.06456692913385827
-0.06456692913385827 x 100 = -6.46%