83.2% is the change from 518 to 949
Calculation steps:
[( 949 - 518 ) ÷ 518] x 100 = 83.2%
Formula
Percentage change = [(949 - 518) / 518] x 100
Subtract the new number by the original number
949 - 518 = 431
431 ÷ 518 = 0.832046332046332
0.832046332046332 x 100 = 83.2%