-75.4% is the change from 878 to 216
Calculation steps:
[( 216 - 878 ) ÷ 878] x 100 = -75.4%
Formula
Percentage change = [(216 - 878) / 878] x 100
Subtract the new number by the original number
216 - 878 = -662
-662 ÷ 878 = -0.7539863325740319
-0.7539863325740319 x 100 = -75.4%