-8.35% is the change from 647 to 593
Calculation steps:
[( 593 - 647 ) ÷ 647] x 100 = -8.35%
Formula
Percentage change = [(593 - 647) / 647] x 100
Subtract the new number by the original number
593 - 647 = -54
-54 ÷ 647 = -0.08346213292117466
-0.08346213292117466 x 100 = -8.35%