2.8% is the change from 964 to 991
Calculation steps:
[( 991 - 964 ) ÷ 964] x 100 = 2.8%
Formula
Percentage change = [(991 - 964) / 964] x 100
Subtract the new number by the original number
991 - 964 = 27
27 ÷ 964 = 0.028008298755186723
0.028008298755186723 x 100 = 2.8%