33.97% is the change from 630 to 844
Calculation steps:
[( 844 - 630 ) ÷ 630] x 100 = 33.97%
Formula
Percentage change = [(844 - 630) / 630] x 100
Subtract the new number by the original number
844 - 630 = 214
214 ÷ 630 = 0.3396825396825397
0.3396825396825397 x 100 = 33.97%