700% is the change from 57 to 456
Calculation steps:
[( 456 - 57 ) ÷ 57] x 100 = 700%
Formula
Percentage change = [(456 - 57) / 57] x 100
Subtract the new number by the original number
456 - 57 = 399
399 ÷ 57 = 7
7 x 100 = 700%
Example