39.43% is the change from 492 to 686
Calculation steps:
[( 686 - 492 ) ÷ 492] x 100 = 39.43%
Formula
Percentage change = [(686 - 492) / 492] x 100
Subtract the new number by the original number
686 - 492 = 194
194 ÷ 492 = 0.3943089430894309
0.3943089430894309 x 100 = 39.43%