108.51% is the change from 235 to 490
Calculation steps:
[( 490 - 235 ) ÷ 235] x 100 = 108.51%
Formula
Percentage change = [(490 - 235) / 235] x 100
Subtract the new number by the original number
490 - 235 = 255
255 ÷ 235 = 1.0851063829787233
1.0851063829787233 x 100 = 108.51%