85.84% is the change from 346 to 643
Calculation steps:
[( 643 - 346 ) ÷ 346] x 100 = 85.84%
Formula
Percentage change = [(643 - 346) / 346] x 100
Subtract the new number by the original number
643 - 346 = 297
297 ÷ 346 = 0.8583815028901735
0.8583815028901735 x 100 = 85.84%