94.26% is the change from 331 to 643
Calculation steps:
[( 643 - 331 ) ÷ 331] x 100 = 94.26%
Formula
Percentage change = [(643 - 331) / 331] x 100
Subtract the new number by the original number
643 - 331 = 312
312 ÷ 331 = 0.9425981873111783
0.9425981873111783 x 100 = 94.26%