-66.56% is the change from 912 to 305
Calculation steps:
[( 305 - 912 ) ÷ 912] x 100 = -66.56%
Formula
Percentage change = [(305 - 912) / 912] x 100
Subtract the new number by the original number
305 - 912 = -607
-607 ÷ 912 = -0.6655701754385965
-0.6655701754385965 x 100 = -66.56%