-92.82% is the change from 919 to 66
Calculation steps:
[( 66 - 919 ) ÷ 919] x 100 = -92.82%
Formula
Percentage change = [(66 - 919) / 919] x 100
Subtract the new number by the original number
66 - 919 = -853
-853 ÷ 919 = -0.9281828073993471
-0.9281828073993471 x 100 = -92.82%