10.21% is the change from 284 to 313
Calculation steps:
[( 313 - 284 ) ÷ 284] x 100 = 10.21%
Formula
Percentage change = [(313 - 284) / 284] x 100
Subtract the new number by the original number
313 - 284 = 29
29 ÷ 284 = 0.10211267605633803
0.10211267605633803 x 100 = 10.21%