-13.06% is the change from 643 to 559
Calculation steps:
[( 559 - 643 ) ÷ 643] x 100 = -13.06%
Formula
Percentage change = [(559 - 643) / 643] x 100
Subtract the new number by the original number
559 - 643 = -84
-84 ÷ 643 = -0.13063763608087092
-0.13063763608087092 x 100 = -13.06%