340% is the change from 135 to 594
Calculation steps:
[( 594 - 135 ) ÷ 135] x 100 = 340%
Formula
Percentage change = [(594 - 135) / 135] x 100
Subtract the new number by the original number
594 - 135 = 459
459 ÷ 135 = 3.4
3.4 x 100 = 340%
Example