0.3% is the change from 990 to 993
Calculation steps:
[( 993 - 990 ) ÷ 990] x 100 = 0.3%
Formula
Percentage change = [(993 - 990) / 990] x 100
Subtract the new number by the original number
993 - 990 = 3
3 ÷ 990 = 0.0030303030303030303
0.0030303030303030303 x 100 = 0.3%