5.34% is the change from 581 to 612
Calculation steps:
[( 612 - 581 ) ÷ 581] x 100 = 5.34%
Formula
Percentage change = [(612 - 581) / 581] x 100
Subtract the new number by the original number
612 - 581 = 31
31 ÷ 581 = 0.05335628227194492
0.05335628227194492 x 100 = 5.34%