68.78% is the change from 189 to 319
Calculation steps:
[( 319 - 189 ) ÷ 189] x 100 = 68.78%
Formula
Percentage change = [(319 - 189) / 189] x 100
Subtract the new number by the original number
319 - 189 = 130
130 ÷ 189 = 0.6878306878306878
0.6878306878306878 x 100 = 68.78%