-66% is the change from 844 to 287
Calculation steps:
[( 287 - 844 ) ÷ 844] x 100 = -66%
Formula
Percentage change = [(287 - 844) / 844] x 100
Subtract the new number by the original number
287 - 844 = -557
-557 ÷ 844 = -0.659952606635071
-0.659952606635071 x 100 = -66%