34.44% is the change from 630 to 847
Calculation steps:
[( 847 - 630 ) ÷ 630] x 100 = 34.44%
Formula
Percentage change = [(847 - 630) / 630] x 100
Subtract the new number by the original number
847 - 630 = 217
217 ÷ 630 = 0.34444444444444444
0.34444444444444444 x 100 = 34.44%