6.45% is the change from 543 to 578
Calculation steps:
[( 578 - 543 ) ÷ 543] x 100 = 6.45%
Formula
Percentage change = [(578 - 543) / 543] x 100
Subtract the new number by the original number
578 - 543 = 35
35 ÷ 543 = 0.06445672191528545
0.06445672191528545 x 100 = 6.45%