2.47% is the change from 485 to 497
Calculation steps:
[( 497 - 485 ) ÷ 485] x 100 = 2.47%
Formula
Percentage change = [(497 - 485) / 485] x 100
Subtract the new number by the original number
497 - 485 = 12
12 ÷ 485 = 0.024742268041237112
0.024742268041237112 x 100 = 2.47%