1.21% is the change from 578 to 585
Calculation steps:
[( 585 - 578 ) ÷ 578] x 100 = 1.21%
Formula
Percentage change = [(585 - 578) / 578] x 100
Subtract the new number by the original number
585 - 578 = 7
7 ÷ 578 = 0.012110726643598616
0.012110726643598616 x 100 = 1.21%