-21.18% is the change from 878 to 692
Calculation steps:
[( 692 - 878 ) ÷ 878] x 100 = -21.18%
Formula
Percentage change = [(692 - 878) / 878] x 100
Subtract the new number by the original number
692 - 878 = -186
-186 ÷ 878 = -0.21184510250569477
-0.21184510250569477 x 100 = -21.18%