206.25% is the change from 160 to 490
Calculation steps:
[( 490 - 160 ) ÷ 160] x 100 = 206.25%
Formula
Percentage change = [(490 - 160) / 160] x 100
Subtract the new number by the original number
490 - 160 = 330
330 ÷ 160 = 2.0625
2.0625 x 100 = 206.25%