0.29% is the change from 678 to 680
Calculation steps:
[( 680 - 678 ) ÷ 678] x 100 = 0.29%
Formula
Percentage change = [(680 - 678) / 678] x 100
Subtract the new number by the original number
680 - 678 = 2
2 ÷ 678 = 0.0029498525073746312
0.0029498525073746312 x 100 = 0.29%