1.97% is the change from 608 to 620
Calculation steps:
[( 620 - 608 ) ÷ 608] x 100 = 1.97%
Formula
Percentage change = [(620 - 608) / 608] x 100
Subtract the new number by the original number
620 - 608 = 12
12 ÷ 608 = 0.019736842105263157
0.019736842105263157 x 100 = 1.97%