-11.5% is the change from 800 to 708
Calculation steps:
[( 708 - 800 ) ÷ 800] x 100 = -11.5%
Formula
Percentage change = [(708 - 800) / 800] x 100
Subtract the new number by the original number
708 - 800 = -92
-92 ÷ 800 = -0.115
-0.115 x 100 = -11.5%