2.31% is the change from 911 to 932
Calculation steps:
[( 932 - 911 ) ÷ 911] x 100 = 2.31%
Formula
Percentage change = [(932 - 911) / 911] x 100
Subtract the new number by the original number
932 - 911 = 21
21 ÷ 911 = 0.02305159165751921
0.02305159165751921 x 100 = 2.31%