340.63% is the change from 128 to 564
Calculation steps:
[( 564 - 128 ) ÷ 128] x 100 = 340.63%
Formula
Percentage change = [(564 - 128) / 128] x 100
Subtract the new number by the original number
564 - 128 = 436
436 ÷ 128 = 3.40625
3.40625 x 100 = 340.63%