43.7% is the change from 643 to 924
Calculation steps:
[( 924 - 643 ) ÷ 643] x 100 = 43.7%
Formula
Percentage change = [(924 - 643) / 643] x 100
Subtract the new number by the original number
924 - 643 = 281
281 ÷ 643 = 0.4370139968895801
0.4370139968895801 x 100 = 43.7%