1.85% is the change from 921 to 938
Calculation steps:
[( 938 - 921 ) ÷ 921] x 100 = 1.85%
Formula
Percentage change = [(938 - 921) / 921] x 100
Subtract the new number by the original number
938 - 921 = 17
17 ÷ 921 = 0.018458197611292075
0.018458197611292075 x 100 = 1.85%