43.75% is the change from 160 to 230
Calculation steps:
[( 230 - 160 ) ÷ 160] x 100 = 43.75%
Formula
Percentage change = [(230 - 160) / 160] x 100
Subtract the new number by the original number
230 - 160 = 70
70 ÷ 160 = 0.4375
0.4375 x 100 = 43.75%
Example