6.17% is the change from 243 to 258
Calculation steps:
[( 258 - 243 ) ÷ 243] x 100 = 6.17%
Formula
Percentage change = [(258 - 243) / 243] x 100
Subtract the new number by the original number
258 - 243 = 15
15 ÷ 243 = 0.06172839506172839
0.06172839506172839 x 100 = 6.17%