51.6% is the change from 531 to 805
Calculation steps:
[( 805 - 531 ) ÷ 531] x 100 = 51.6%
Formula
Percentage change = [(805 - 531) / 531] x 100
Subtract the new number by the original number
805 - 531 = 274
274 ÷ 531 = 0.5160075329566854
0.5160075329566854 x 100 = 51.6%