57.93% is the change from 511 to 807
Calculation steps:
[( 807 - 511 ) ÷ 511] x 100 = 57.93%
Formula
Percentage change = [(807 - 511) / 511] x 100
Subtract the new number by the original number
807 - 511 = 296
296 ÷ 511 = 0.5792563600782779
0.5792563600782779 x 100 = 57.93%