3.23% is the change from 62 to 64
Calculation steps:
[( 64 - 62 ) ÷ 62] x 100 = 3.23%
Formula
Percentage change = [(64 - 62) / 62] x 100
Subtract the new number by the original number
64 - 62 = 2
2 ÷ 62 = 0.03225806451612903
0.03225806451612903 x 100 = 3.23%