2.21% is the change from 904 to 924
Calculation steps:
[( 924 - 904 ) ÷ 904] x 100 = 2.21%
Formula
Percentage change = [(924 - 904) / 904] x 100
Subtract the new number by the original number
924 - 904 = 20
20 ÷ 904 = 0.022123893805309734
0.022123893805309734 x 100 = 2.21%