105.1% is the change from 314 to 644
Calculation steps:
[( 644 - 314 ) ÷ 314] x 100 = 105.1%
Formula
Percentage change = [(644 - 314) / 314] x 100
Subtract the new number by the original number
644 - 314 = 330
330 ÷ 314 = 1.0509554140127388
1.0509554140127388 x 100 = 105.1%