4.07% is the change from 492 to 512
Calculation steps:
[( 512 - 492 ) ÷ 492] x 100 = 4.07%
Formula
Percentage change = [(512 - 492) / 492] x 100
Subtract the new number by the original number
512 - 492 = 20
20 ÷ 492 = 0.04065040650406504
0.04065040650406504 x 100 = 4.07%