-65.67% is the change from 906 to 311
Calculation steps:
[( 311 - 906 ) ÷ 906] x 100 = -65.67%
Formula
Percentage change = [(311 - 906) / 906] x 100
Subtract the new number by the original number
311 - 906 = -595
-595 ÷ 906 = -0.6567328918322296
-0.6567328918322296 x 100 = -65.67%