11.07% is the change from 551 to 612
Calculation steps:
[( 612 - 551 ) ÷ 551] x 100 = 11.07%
Formula
Percentage change = [(612 - 551) / 551] x 100
Subtract the new number by the original number
612 - 551 = 61
61 ÷ 551 = 0.11070780399274047
0.11070780399274047 x 100 = 11.07%