56.25% is the change from 160 to 250
Calculation steps:
[( 250 - 160 ) ÷ 160] x 100 = 56.25%
Formula
Percentage change = [(250 - 160) / 160] x 100
Subtract the new number by the original number
250 - 160 = 90
90 ÷ 160 = 0.5625
0.5625 x 100 = 56.25%
Example