97.18% is the change from 319 to 629
Calculation steps:
[( 629 - 319 ) ÷ 319] x 100 = 97.18%
Formula
Percentage change = [(629 - 319) / 319] x 100
Subtract the new number by the original number
629 - 319 = 310
310 ÷ 319 = 0.9717868338557993
0.9717868338557993 x 100 = 97.18%