61.58% is the change from 518 to 837
Calculation steps:
[( 837 - 518 ) ÷ 518] x 100 = 61.58%
Formula
Percentage change = [(837 - 518) / 518] x 100
Subtract the new number by the original number
837 - 518 = 319
319 ÷ 518 = 0.6158301158301158
0.6158301158301158 x 100 = 61.58%