636.84% is the change from 57 to 420
Calculation steps:
[( 420 - 57 ) ÷ 57] x 100 = 636.84%
Formula
Percentage change = [(420 - 57) / 57] x 100
Subtract the new number by the original number
420 - 57 = 363
363 ÷ 57 = 6.368421052631579
6.368421052631579 x 100 = 636.84%