0.2% is the change from 991 to 993
Calculation steps:
[( 993 - 991 ) ÷ 991] x 100 = 0.2%
Formula
Percentage change = [(993 - 991) / 991] x 100
Subtract the new number by the original number
993 - 991 = 2
2 ÷ 991 = 0.0020181634712411706
0.0020181634712411706 x 100 = 0.2%