-37.7% is the change from 878 to 547
Calculation steps:
[( 547 - 878 ) ÷ 878] x 100 = -37.7%
Formula
Percentage change = [(547 - 878) / 878] x 100
Subtract the new number by the original number
547 - 878 = -331
-331 ÷ 878 = -0.37699316628701596
-0.37699316628701596 x 100 = -37.7%