49.17% is the change from 665 to 992
Calculation steps:
[( 992 - 665 ) ÷ 665] x 100 = 49.17%
Formula
Percentage change = [(992 - 665) / 665] x 100
Subtract the new number by the original number
992 - 665 = 327
327 ÷ 665 = 0.4917293233082707
0.4917293233082707 x 100 = 49.17%