2.38% is the change from 968 to 991
Calculation steps:
[( 991 - 968 ) ÷ 968] x 100 = 2.38%
Formula
Percentage change = [(991 - 968) / 968] x 100
Subtract the new number by the original number
991 - 968 = 23
23 ÷ 968 = 0.023760330578512397
0.023760330578512397 x 100 = 2.38%