435.09% is the change from 57 to 305
Calculation steps:
[( 305 - 57 ) ÷ 57] x 100 = 435.09%
Formula
Percentage change = [(305 - 57) / 57] x 100
Subtract the new number by the original number
305 - 57 = 248
248 ÷ 57 = 4.350877192982456
4.350877192982456 x 100 = 435.09%