-70.58% is the change from 904 to 266
Calculation steps:
[( 266 - 904 ) ÷ 904] x 100 = -70.58%
Formula
Percentage change = [(266 - 904) / 904] x 100
Subtract the new number by the original number
266 - 904 = -638
-638 ÷ 904 = -0.7057522123893806
-0.7057522123893806 x 100 = -70.58%