39.18% is the change from 462 to 643
Calculation steps:
[( 643 - 462 ) ÷ 462] x 100 = 39.18%
Formula
Percentage change = [(643 - 462) / 462] x 100
Subtract the new number by the original number
643 - 462 = 181
181 ÷ 462 = 0.3917748917748918
0.3917748917748918 x 100 = 39.18%