1.61% is the change from 497 to 505
Calculation steps:
[( 505 - 497 ) ÷ 497] x 100 = 1.61%
Formula
Percentage change = [(505 - 497) / 497] x 100
Subtract the new number by the original number
505 - 497 = 8
8 ÷ 497 = 0.01609657947686117
0.01609657947686117 x 100 = 1.61%