100.63% is the change from 159 to 319
Calculation steps:
[( 319 - 159 ) ÷ 159] x 100 = 100.63%
Formula
Percentage change = [(319 - 159) / 159] x 100
Subtract the new number by the original number
319 - 159 = 160
160 ÷ 159 = 1.0062893081761006
1.0062893081761006 x 100 = 100.63%