88.01% is the change from 342 to 643
Calculation steps:
[( 643 - 342 ) ÷ 342] x 100 = 88.01%
Formula
Percentage change = [(643 - 342) / 342] x 100
Subtract the new number by the original number
643 - 342 = 301
301 ÷ 342 = 0.8801169590643275
0.8801169590643275 x 100 = 88.01%