78.19% is the change from 518 to 923
Calculation steps:
[( 923 - 518 ) ÷ 518] x 100 = 78.19%
Formula
Percentage change = [(923 - 518) / 518] x 100
Subtract the new number by the original number
923 - 518 = 405
405 ÷ 518 = 0.7818532818532818
0.7818532818532818 x 100 = 78.19%