23.53% is the change from 51 to 63
Calculation steps:
[( 63 - 51 ) ÷ 51] x 100 = 23.53%
Formula
Percentage change = [(63 - 51) / 51] x 100
Subtract the new number by the original number
63 - 51 = 12
12 ÷ 51 = 0.23529411764705882
0.23529411764705882 x 100 = 23.53%