169.23% is the change from 234 to 630
Calculation steps:
[( 630 - 234 ) ÷ 234] x 100 = 169.23%
Formula
Percentage change = [(630 - 234) / 234] x 100
Subtract the new number by the original number
630 - 234 = 396
396 ÷ 234 = 1.6923076923076923
1.6923076923076923 x 100 = 169.23%