51.97% is the change from 254 to 386
Calculation steps:
[( 386 - 254 ) ÷ 254] x 100 = 51.97%
Formula
Percentage change = [(386 - 254) / 254] x 100
Subtract the new number by the original number
386 - 254 = 132
132 ÷ 254 = 0.5196850393700787
0.5196850393700787 x 100 = 51.97%