282.09% is the change from 134 to 512
Calculation steps:
[( 512 - 134 ) ÷ 134] x 100 = 282.09%
Formula
Percentage change = [(512 - 134) / 134] x 100
Subtract the new number by the original number
512 - 134 = 378
378 ÷ 134 = 2.8208955223880596
2.8208955223880596 x 100 = 282.09%