-83.26% is the change from 878 to 147
Calculation steps:
[( 147 - 878 ) ÷ 878] x 100 = -83.26%
Formula
Percentage change = [(147 - 878) / 878] x 100
Subtract the new number by the original number
147 - 878 = -731
-731 ÷ 878 = -0.8325740318906606
-0.8325740318906606 x 100 = -83.26%