450% is the change from 128 to 704
Calculation steps:
[( 704 - 128 ) ÷ 128] x 100 = 450%
Formula
Percentage change = [(704 - 128) / 128] x 100
Subtract the new number by the original number
704 - 128 = 576
576 ÷ 128 = 4.5
4.5 x 100 = 450%
Example