107.1% is the change from 324 to 671
Calculation steps:
[( 671 - 324 ) ÷ 324] x 100 = 107.1%
Formula
Percentage change = [(671 - 324) / 324] x 100
Subtract the new number by the original number
671 - 324 = 347
347 ÷ 324 = 1.0709876543209877
1.0709876543209877 x 100 = 107.1%