394.23% is the change from 52 to 257
Calculation steps:
[( 257 - 52 ) ÷ 52] x 100 = 394.23%
Formula
Percentage change = [(257 - 52) / 52] x 100
Subtract the new number by the original number
257 - 52 = 205
205 ÷ 52 = 3.9423076923076925
3.9423076923076925 x 100 = 394.23%