67.4% is the change from 543 to 909
Calculation steps:
[( 909 - 543 ) ÷ 543] x 100 = 67.4%
Formula
Percentage change = [(909 - 543) / 543] x 100
Subtract the new number by the original number
909 - 543 = 366
366 ÷ 543 = 0.6740331491712708
0.6740331491712708 x 100 = 67.4%