43.48% is the change from 644 to 924
Calculation steps:
[( 924 - 644 ) ÷ 644] x 100 = 43.48%
Formula
Percentage change = [(924 - 644) / 644] x 100
Subtract the new number by the original number
924 - 644 = 280
280 ÷ 644 = 0.43478260869565216
0.43478260869565216 x 100 = 43.48%