438.6% is the change from 57 to 307
Calculation steps:
[( 307 - 57 ) ÷ 57] x 100 = 438.6%
Formula
Percentage change = [(307 - 57) / 57] x 100
Subtract the new number by the original number
307 - 57 = 250
250 ÷ 57 = 4.385964912280702
4.385964912280702 x 100 = 438.6%