21.71% is the change from 258 to 314
Calculation steps:
[( 314 - 258 ) ÷ 258] x 100 = 21.71%
Formula
Percentage change = [(314 - 258) / 258] x 100
Subtract the new number by the original number
314 - 258 = 56
56 ÷ 258 = 0.21705426356589147
0.21705426356589147 x 100 = 21.71%