0.6% is the change from 663 to 667
Calculation steps:
[( 667 - 663 ) ÷ 663] x 100 = 0.6%
Formula
Percentage change = [(667 - 663) / 663] x 100
Subtract the new number by the original number
667 - 663 = 4
4 ÷ 663 = 0.006033182503770739
0.006033182503770739 x 100 = 0.6%