29.38% is the change from 497 to 643
Calculation steps:
[( 643 - 497 ) ÷ 497] x 100 = 29.38%
Formula
Percentage change = [(643 - 497) / 497] x 100
Subtract the new number by the original number
643 - 497 = 146
146 ÷ 497 = 0.2937625754527163
0.2937625754527163 x 100 = 29.38%