32.04% is the change from 643 to 849
Calculation steps:
[( 849 - 643 ) ÷ 643] x 100 = 32.04%
Formula
Percentage change = [(849 - 643) / 643] x 100
Subtract the new number by the original number
849 - 643 = 206
206 ÷ 643 = 0.3203732503888025
0.3203732503888025 x 100 = 32.04%