5.21% is the change from 403 to 424
Calculation steps:
[( 424 - 403 ) ÷ 403] x 100 = 5.21%
Formula
Percentage change = [(424 - 403) / 403] x 100
Subtract the new number by the original number
424 - 403 = 21
21 ÷ 403 = 0.052109181141439205
0.052109181141439205 x 100 = 5.21%