101.27% is the change from 315 to 634
Calculation steps:
[( 634 - 315 ) ÷ 315] x 100 = 101.27%
Formula
Percentage change = [(634 - 315) / 315] x 100
Subtract the new number by the original number
634 - 315 = 319
319 ÷ 315 = 1.0126984126984127
1.0126984126984127 x 100 = 101.27%