2.24% is the change from 938 to 959
Calculation steps:
[( 959 - 938 ) ÷ 938] x 100 = 2.24%
Formula
Percentage change = [(959 - 938) / 938] x 100
Subtract the new number by the original number
959 - 938 = 21
21 ÷ 938 = 0.022388059701492536
0.022388059701492536 x 100 = 2.24%