85.83% is the change from 515 to 957
Calculation steps:
[( 957 - 515 ) ÷ 515] x 100 = 85.83%
Formula
Percentage change = [(957 - 515) / 515] x 100
Subtract the new number by the original number
957 - 515 = 442
442 ÷ 515 = 0.858252427184466
0.858252427184466 x 100 = 85.83%