8.63% is the change from 278 to 302
Calculation steps:
[( 302 - 278 ) ÷ 278] x 100 = 8.63%
Formula
Percentage change = [(302 - 278) / 278] x 100
Subtract the new number by the original number
302 - 278 = 24
24 ÷ 278 = 0.08633093525179857
0.08633093525179857 x 100 = 8.63%