57.53% is the change from 511 to 805
Calculation steps:
[( 805 - 511 ) ÷ 511] x 100 = 57.53%
Formula
Percentage change = [(805 - 511) / 511] x 100
Subtract the new number by the original number
805 - 511 = 294
294 ÷ 511 = 0.5753424657534246
0.5753424657534246 x 100 = 57.53%