3.86% is the change from 492 to 511
Calculation steps:
[( 511 - 492 ) ÷ 492] x 100 = 3.86%
Formula
Percentage change = [(511 - 492) / 492] x 100
Subtract the new number by the original number
511 - 492 = 19
19 ÷ 492 = 0.03861788617886179
0.03861788617886179 x 100 = 3.86%