-4.23% is the change from 804 to 770
Calculation steps:
[( 770 - 804 ) ÷ 804] x 100 = -4.23%
Formula
Percentage change = [(770 - 804) / 804] x 100
Subtract the new number by the original number
770 - 804 = -34
-34 ÷ 804 = -0.04228855721393035
-0.04228855721393035 x 100 = -4.23%