50.65% is the change from 308 to 464
Calculation steps:
[( 464 - 308 ) ÷ 308] x 100 = 50.65%
Formula
Percentage change = [(464 - 308) / 308] x 100
Subtract the new number by the original number
464 - 308 = 156
156 ÷ 308 = 0.5064935064935064
0.5064935064935064 x 100 = 50.65%