5.56% is the change from 611 to 645
Calculation steps:
[( 645 - 611 ) ÷ 611] x 100 = 5.56%
Formula
Percentage change = [(645 - 611) / 611] x 100
Subtract the new number by the original number
645 - 611 = 34
34 ÷ 611 = 0.05564648117839607
0.05564648117839607 x 100 = 5.56%