-17.11% is the change from 643 to 533
Calculation steps:
[( 533 - 643 ) ÷ 643] x 100 = -17.11%
Formula
Percentage change = [(533 - 643) / 643] x 100
Subtract the new number by the original number
533 - 643 = -110
-110 ÷ 643 = -0.17107309486780714
-0.17107309486780714 x 100 = -17.11%