31.57% is the change from 643 to 846
Calculation steps:
[( 846 - 643 ) ÷ 643] x 100 = 31.57%
Formula
Percentage change = [(846 - 643) / 643] x 100
Subtract the new number by the original number
846 - 643 = 203
203 ÷ 643 = 0.3157076205287714
0.3157076205287714 x 100 = 31.57%