3.22% is the change from 962 to 993
Calculation steps:
[( 993 - 962 ) ÷ 962] x 100 = 3.22%
Formula
Percentage change = [(993 - 962) / 962] x 100
Subtract the new number by the original number
993 - 962 = 31
31 ÷ 962 = 0.032224532224532226
0.032224532224532226 x 100 = 3.22%