34.78% is the change from 647 to 872
Calculation steps:
[( 872 - 647 ) ÷ 647] x 100 = 34.78%
Formula
Percentage change = [(872 - 647) / 647] x 100
Subtract the new number by the original number
872 - 647 = 225
225 ÷ 647 = 0.34775888717156106
0.34775888717156106 x 100 = 34.78%