11.03% is the change from 281 to 312
Calculation steps:
[( 312 - 281 ) ÷ 281] x 100 = 11.03%
Formula
Percentage change = [(312 - 281) / 281] x 100
Subtract the new number by the original number
312 - 281 = 31
31 ÷ 281 = 0.1103202846975089
0.1103202846975089 x 100 = 11.03%