34.53% is the change from 643 to 865
Calculation steps:
[( 865 - 643 ) ÷ 643] x 100 = 34.53%
Formula
Percentage change = [(865 - 643) / 643] x 100
Subtract the new number by the original number
865 - 643 = 222
222 ÷ 643 = 0.3452566096423017
0.3452566096423017 x 100 = 34.53%