81.85% is the change from 518 to 942
Calculation steps:
[( 942 - 518 ) ÷ 518] x 100 = 81.85%
Formula
Percentage change = [(942 - 518) / 518] x 100
Subtract the new number by the original number
942 - 518 = 424
424 ÷ 518 = 0.8185328185328186
0.8185328185328186 x 100 = 81.85%