11.5% is the change from 548 to 611
Calculation steps:
[( 611 - 548 ) ÷ 548] x 100 = 11.5%
Formula
Percentage change = [(611 - 548) / 548] x 100
Subtract the new number by the original number
611 - 548 = 63
63 ÷ 548 = 0.11496350364963503
0.11496350364963503 x 100 = 11.5%