10.64% is the change from 282 to 312
Calculation steps:
[( 312 - 282 ) ÷ 282] x 100 = 10.64%
Formula
Percentage change = [(312 - 282) / 282] x 100
Subtract the new number by the original number
312 - 282 = 30
30 ÷ 282 = 0.10638297872340426
0.10638297872340426 x 100 = 10.64%