93.1% is the change from 319 to 616
Calculation steps:
[( 616 - 319 ) ÷ 319] x 100 = 93.1%
Formula
Percentage change = [(616 - 319) / 319] x 100
Subtract the new number by the original number
616 - 319 = 297
297 ÷ 319 = 0.9310344827586207
0.9310344827586207 x 100 = 93.1%