-83.24% is the change from 877 to 147
Calculation steps:
[( 147 - 877 ) ÷ 877] x 100 = -83.24%
Formula
Percentage change = [(147 - 877) / 877] x 100
Subtract the new number by the original number
147 - 877 = -730
-730 ÷ 877 = -0.8323831242873432
-0.8323831242873432 x 100 = -83.24%