10.14% is the change from 286 to 315
Calculation steps:
[( 315 - 286 ) ÷ 286] x 100 = 10.14%
Formula
Percentage change = [(315 - 286) / 286] x 100
Subtract the new number by the original number
315 - 286 = 29
29 ÷ 286 = 0.10139860139860139
0.10139860139860139 x 100 = 10.14%