15.48% is the change from 252 to 291
Calculation steps:
[( 291 - 252 ) ÷ 252] x 100 = 15.48%
Formula
Percentage change = [(291 - 252) / 252] x 100
Subtract the new number by the original number
291 - 252 = 39
39 ÷ 252 = 0.15476190476190477
0.15476190476190477 x 100 = 15.48%