69.91% is the change from 319 to 542
Calculation steps:
[( 542 - 319 ) ÷ 319] x 100 = 69.91%
Formula
Percentage change = [(542 - 319) / 319] x 100
Subtract the new number by the original number
542 - 319 = 223
223 ÷ 319 = 0.6990595611285266
0.6990595611285266 x 100 = 69.91%