50.64% is the change from 543 to 818
Calculation steps:
[( 818 - 543 ) ÷ 543] x 100 = 50.64%
Formula
Percentage change = [(818 - 543) / 543] x 100
Subtract the new number by the original number
818 - 543 = 275
275 ÷ 543 = 0.5064456721915286
0.5064456721915286 x 100 = 50.64%