3.62% is the change from 304 to 315
Calculation steps:
[( 315 - 304 ) ÷ 304] x 100 = 3.62%
Formula
Percentage change = [(315 - 304) / 304] x 100
Subtract the new number by the original number
315 - 304 = 11
11 ÷ 304 = 0.03618421052631579
0.03618421052631579 x 100 = 3.62%