7.88% is the change from 292 to 315
Calculation steps:
[( 315 - 292 ) ÷ 292] x 100 = 7.88%
Formula
Percentage change = [(315 - 292) / 292] x 100
Subtract the new number by the original number
315 - 292 = 23
23 ÷ 292 = 0.07876712328767123
0.07876712328767123 x 100 = 7.88%