320.9% is the change from 134 to 564
Calculation steps:
[( 564 - 134 ) ÷ 134] x 100 = 320.9%
Formula
Percentage change = [(564 - 134) / 134] x 100
Subtract the new number by the original number
564 - 134 = 430
430 ÷ 134 = 3.208955223880597
3.208955223880597 x 100 = 320.9%