50.28% is the change from 543 to 816
Calculation steps:
[( 816 - 543 ) ÷ 543] x 100 = 50.28%
Formula
Percentage change = [(816 - 543) / 543] x 100
Subtract the new number by the original number
816 - 543 = 273
273 ÷ 543 = 0.5027624309392266
0.5027624309392266 x 100 = 50.28%