44.1% is the change from 644 to 928
Calculation steps:
[( 928 - 644 ) ÷ 644] x 100 = 44.1%
Formula
Percentage change = [(928 - 644) / 644] x 100
Subtract the new number by the original number
928 - 644 = 284
284 ÷ 644 = 0.4409937888198758
0.4409937888198758 x 100 = 44.1%