0.16% is the change from 619 to 620
Calculation steps:
[( 620 - 619 ) ÷ 619] x 100 = 0.16%
Formula
Percentage change = [(620 - 619) / 619] x 100
Subtract the new number by the original number
620 - 619 = 1
1 ÷ 619 = 0.0016155088852988692
0.0016155088852988692 x 100 = 0.16%