3.92% is the change from 51 to 53
Calculation steps:
[( 53 - 51 ) ÷ 51] x 100 = 3.92%
Formula
Percentage change = [(53 - 51) / 51] x 100
Subtract the new number by the original number
53 - 51 = 2
2 ÷ 51 = 0.0392156862745098
0.0392156862745098 x 100 = 3.92%