56.7% is the change from 515 to 807
Calculation steps:
[( 807 - 515 ) ÷ 515] x 100 = 56.7%
Formula
Percentage change = [(807 - 515) / 515] x 100
Subtract the new number by the original number
807 - 515 = 292
292 ÷ 515 = 0.566990291262136
0.566990291262136 x 100 = 56.7%