-70.73% is the change from 844 to 247
Calculation steps:
[( 247 - 844 ) ÷ 844] x 100 = -70.73%
Formula
Percentage change = [(247 - 844) / 844] x 100
Subtract the new number by the original number
247 - 844 = -597
-597 ÷ 844 = -0.707345971563981
-0.707345971563981 x 100 = -70.73%