319.88% is the change from 166 to 697
Calculation steps:
[( 697 - 166 ) ÷ 166] x 100 = 319.88%
Formula
Percentage change = [(697 - 166) / 166] x 100
Subtract the new number by the original number
697 - 166 = 531
531 ÷ 166 = 3.1987951807228914
3.1987951807228914 x 100 = 319.88%