-96.57% is the change from 874 to 30
Calculation steps:
[( 30 - 874 ) ÷ 874] x 100 = -96.57%
Formula
Percentage change = [(30 - 874) / 874] x 100
Subtract the new number by the original number
30 - 874 = -844
-844 ÷ 874 = -0.965675057208238
-0.965675057208238 x 100 = -96.57%