57.67% is the change from 515 to 812
Calculation steps:
[( 812 - 515 ) ÷ 515] x 100 = 57.67%
Formula
Percentage change = [(812 - 515) / 515] x 100
Subtract the new number by the original number
812 - 515 = 297
297 ÷ 515 = 0.5766990291262136
0.5766990291262136 x 100 = 57.67%