-8.54% is the change from 644 to 589
Calculation steps:
[( 589 - 644 ) ÷ 644] x 100 = -8.54%
Formula
Percentage change = [(589 - 644) / 644] x 100
Subtract the new number by the original number
589 - 644 = -55
-55 ÷ 644 = -0.08540372670807453
-0.08540372670807453 x 100 = -8.54%