50.46% is the change from 543 to 817
Calculation steps:
[( 817 - 543 ) ÷ 543] x 100 = 50.46%
Formula
Percentage change = [(817 - 543) / 543] x 100
Subtract the new number by the original number
817 - 543 = 274
274 ÷ 543 = 0.5046040515653776
0.5046040515653776 x 100 = 50.46%