32.24% is the change from 642 to 849
Calculation steps:
[( 849 - 642 ) ÷ 642] x 100 = 32.24%
Formula
Percentage change = [(849 - 642) / 642] x 100
Subtract the new number by the original number
849 - 642 = 207
207 ÷ 642 = 0.32242990654205606
0.32242990654205606 x 100 = 32.24%