106.07% is the change from 313 to 645
Calculation steps:
[( 645 - 313 ) ÷ 313] x 100 = 106.07%
Formula
Percentage change = [(645 - 313) / 313] x 100
Subtract the new number by the original number
645 - 313 = 332
332 ÷ 313 = 1.060702875399361
1.060702875399361 x 100 = 106.07%