160.32% is the change from 247 to 643
Calculation steps:
[( 643 - 247 ) ÷ 247] x 100 = 160.32%
Formula
Percentage change = [(643 - 247) / 247] x 100
Subtract the new number by the original number
643 - 247 = 396
396 ÷ 247 = 1.6032388663967612
1.6032388663967612 x 100 = 160.32%