-8.19% is the change from 647 to 594
Calculation steps:
[( 594 - 647 ) ÷ 647] x 100 = -8.19%
Formula
Percentage change = [(594 - 647) / 647] x 100
Subtract the new number by the original number
594 - 647 = -53
-53 ÷ 647 = -0.08191653786707882
-0.08191653786707882 x 100 = -8.19%