0.3% is the change from 997 to 1000
Calculation steps:
[( 1000 - 997 ) ÷ 997] x 100 = 0.3%
Formula
Percentage change = [(1000 - 997) / 997] x 100
Subtract the new number by the original number
1000 - 997 = 3
3 ÷ 997 = 0.003009027081243731
0.003009027081243731 x 100 = 0.3%