0.51% is the change from 390 to 392
Calculation steps:
[( 392 - 390 ) ÷ 390] x 100 = 0.51%
Formula
Percentage change = [(392 - 390) / 390] x 100
Subtract the new number by the original number
392 - 390 = 2
2 ÷ 390 = 0.005128205128205128
0.005128205128205128 x 100 = 0.51%