55.07% is the change from 641 to 994
Calculation steps:
[( 994 - 641 ) ÷ 641] x 100 = 55.07%
Formula
Percentage change = [(994 - 641) / 641] x 100
Subtract the new number by the original number
994 - 641 = 353
353 ÷ 641 = 0.5507020280811232
0.5507020280811232 x 100 = 55.07%