-61.19% is the change from 804 to 312
Calculation steps:
[( 312 - 804 ) ÷ 804] x 100 = -61.19%
Formula
Percentage change = [(312 - 804) / 804] x 100
Subtract the new number by the original number
312 - 804 = -492
-492 ÷ 804 = -0.6119402985074627
-0.6119402985074627 x 100 = -61.19%