-94.34% is the change from 866 to 49
Calculation steps:
[( 49 - 866 ) ÷ 866] x 100 = -94.34%
Formula
Percentage change = [(49 - 866) / 866] x 100
Subtract the new number by the original number
49 - 866 = -817
-817 ÷ 866 = -0.9434180138568129
-0.9434180138568129 x 100 = -94.34%