34.8% is the change from 477 to 643
Calculation steps:
[( 643 - 477 ) ÷ 477] x 100 = 34.8%
Formula
Percentage change = [(643 - 477) / 477] x 100
Subtract the new number by the original number
643 - 477 = 166
166 ÷ 477 = 0.3480083857442348
0.3480083857442348 x 100 = 34.8%