85.55% is the change from 346 to 642
Calculation steps:
[( 642 - 346 ) ÷ 346] x 100 = 85.55%
Formula
Percentage change = [(642 - 346) / 346] x 100
Subtract the new number by the original number
642 - 346 = 296
296 ÷ 346 = 0.8554913294797688
0.8554913294797688 x 100 = 85.55%