-66.23% is the change from 912 to 308
Calculation steps:
[( 308 - 912 ) ÷ 912] x 100 = -66.23%
Formula
Percentage change = [(308 - 912) / 912] x 100
Subtract the new number by the original number
308 - 912 = -604
-604 ÷ 912 = -0.6622807017543859
-0.6622807017543859 x 100 = -66.23%