-7.43% is the change from 646 to 598
Calculation steps:
[( 598 - 646 ) ÷ 646] x 100 = -7.43%
Formula
Percentage change = [(598 - 646) / 646] x 100
Subtract the new number by the original number
598 - 646 = -48
-48 ÷ 646 = -0.07430340557275542
-0.07430340557275542 x 100 = -7.43%