93.66% is the change from 331 to 641
Calculation steps:
[( 641 - 331 ) ÷ 331] x 100 = 93.66%
Formula
Percentage change = [(641 - 331) / 331] x 100
Subtract the new number by the original number
641 - 331 = 310
310 ÷ 331 = 0.9365558912386707
0.9365558912386707 x 100 = 93.66%