251.85% is the change from 135 to 475
Calculation steps:
[( 475 - 135 ) ÷ 135] x 100 = 251.85%
Formula
Percentage change = [(475 - 135) / 135] x 100
Subtract the new number by the original number
475 - 135 = 340
340 ÷ 135 = 2.5185185185185186
2.5185185185185186 x 100 = 251.85%