49.35% is the change from 539 to 805
Calculation steps:
[( 805 - 539 ) ÷ 539] x 100 = 49.35%
Formula
Percentage change = [(805 - 539) / 539] x 100
Subtract the new number by the original number
805 - 539 = 266
266 ÷ 539 = 0.4935064935064935
0.4935064935064935 x 100 = 49.35%