108.12% is the change from 308 to 641
Calculation steps:
[( 641 - 308 ) ÷ 308] x 100 = 108.12%
Formula
Percentage change = [(641 - 308) / 308] x 100
Subtract the new number by the original number
641 - 308 = 333
333 ÷ 308 = 1.0811688311688312
1.0811688311688312 x 100 = 108.12%