49.55% is the change from 666 to 996
Calculation steps:
[( 996 - 666 ) ÷ 666] x 100 = 49.55%
Formula
Percentage change = [(996 - 666) / 666] x 100
Subtract the new number by the original number
996 - 666 = 330
330 ÷ 666 = 0.4954954954954955
0.4954954954954955 x 100 = 49.55%