0.63% is the change from 317 to 319
Calculation steps:
[( 319 - 317 ) ÷ 317] x 100 = 0.63%
Formula
Percentage change = [(319 - 317) / 317] x 100
Subtract the new number by the original number
319 - 317 = 2
2 ÷ 317 = 0.006309148264984227
0.006309148264984227 x 100 = 0.63%