33.38% is the change from 647 to 863
Calculation steps:
[( 863 - 647 ) ÷ 647] x 100 = 33.38%
Formula
Percentage change = [(863 - 647) / 647] x 100
Subtract the new number by the original number
863 - 647 = 216
216 ÷ 647 = 0.33384853168469864
0.33384853168469864 x 100 = 33.38%