55.38% is the change from 641 to 996
Calculation steps:
[( 996 - 641 ) ÷ 641] x 100 = 55.38%
Formula
Percentage change = [(996 - 641) / 641] x 100
Subtract the new number by the original number
996 - 641 = 355
355 ÷ 641 = 0.5538221528861155
0.5538221528861155 x 100 = 55.38%