19.58% is the change from 286 to 342
Calculation steps:
[( 342 - 286 ) ÷ 286] x 100 = 19.58%
Formula
Percentage change = [(342 - 286) / 286] x 100
Subtract the new number by the original number
342 - 286 = 56
56 ÷ 286 = 0.1958041958041958
0.1958041958041958 x 100 = 19.58%