458.7% is the change from 46 to 257
Calculation steps:
[( 257 - 46 ) ÷ 46] x 100 = 458.7%
Formula
Percentage change = [(257 - 46) / 46] x 100
Subtract the new number by the original number
257 - 46 = 211
211 ÷ 46 = 4.586956521739131
4.586956521739131 x 100 = 458.7%