70.68% is the change from 515 to 879
Calculation steps:
[( 879 - 515 ) ÷ 515] x 100 = 70.68%
Formula
Percentage change = [(879 - 515) / 515] x 100
Subtract the new number by the original number
879 - 515 = 364
364 ÷ 515 = 0.7067961165048544
0.7067961165048544 x 100 = 70.68%