107.69% is the change from 312 to 648
Calculation steps:
[( 648 - 312 ) ÷ 312] x 100 = 107.69%
Formula
Percentage change = [(648 - 312) / 312] x 100
Subtract the new number by the original number
648 - 312 = 336
336 ÷ 312 = 1.0769230769230769
1.0769230769230769 x 100 = 107.69%