60% is the change from 515 to 824
Calculation steps:
[( 824 - 515 ) ÷ 515] x 100 = 60%
Formula
Percentage change = [(824 - 515) / 515] x 100
Subtract the new number by the original number
824 - 515 = 309
309 ÷ 515 = 0.6
0.6 x 100 = 60%
Example