2.13% is the change from 939 to 959
Calculation steps:
[( 959 - 939 ) ÷ 939] x 100 = 2.13%
Formula
Percentage change = [(959 - 939) / 939] x 100
Subtract the new number by the original number
959 - 939 = 20
20 ÷ 939 = 0.021299254526091587
0.021299254526091587 x 100 = 2.13%