36.7% is the change from 643 to 879
Calculation steps:
[( 879 - 643 ) ÷ 643] x 100 = 36.7%
Formula
Percentage change = [(879 - 643) / 643] x 100
Subtract the new number by the original number
879 - 643 = 236
236 ÷ 643 = 0.36702954898911355
0.36702954898911355 x 100 = 36.7%