6.84% is the change from 921 to 984
Calculation steps:
[( 984 - 921 ) ÷ 921] x 100 = 6.84%
Formula
Percentage change = [(984 - 921) / 921] x 100
Subtract the new number by the original number
984 - 921 = 63
63 ÷ 921 = 0.06840390879478828
0.06840390879478828 x 100 = 6.84%