-66.2% is the change from 923 to 312
Calculation steps:
[( 312 - 923 ) ÷ 923] x 100 = -66.2%
Formula
Percentage change = [(312 - 923) / 923] x 100
Subtract the new number by the original number
312 - 923 = -611
-611 ÷ 923 = -0.6619718309859155
-0.6619718309859155 x 100 = -66.2%