27.07% is the change from 665 to 845
Calculation steps:
[( 845 - 665 ) ÷ 665] x 100 = 27.07%
Formula
Percentage change = [(845 - 665) / 665] x 100
Subtract the new number by the original number
845 - 665 = 180
180 ÷ 665 = 0.2706766917293233
0.2706766917293233 x 100 = 27.07%