104.43% is the change from 316 to 646
Calculation steps:
[( 646 - 316 ) ÷ 316] x 100 = 104.43%
Formula
Percentage change = [(646 - 316) / 316] x 100
Subtract the new number by the original number
646 - 316 = 330
330 ÷ 316 = 1.0443037974683544
1.0443037974683544 x 100 = 104.43%