-86.7% is the change from 218 to 29
Calculation steps:
[( 29 - 218 ) ÷ 218] x 100 = -86.7%
Formula
Percentage change = [(29 - 218) / 218] x 100
Subtract the new number by the original number
29 - 218 = -189
-189 ÷ 218 = -0.8669724770642202
-0.8669724770642202 x 100 = -86.7%