35.77% is the change from 643 to 873
Calculation steps:
[( 873 - 643 ) ÷ 643] x 100 = 35.77%
Formula
Percentage change = [(873 - 643) / 643] x 100
Subtract the new number by the original number
873 - 643 = 230
230 ÷ 643 = 0.35769828926905134
0.35769828926905134 x 100 = 35.77%