-36.24% is the change from 218 to 139
Calculation steps:
[( 139 - 218 ) ÷ 218] x 100 = -36.24%
Formula
Percentage change = [(139 - 218) / 218] x 100
Subtract the new number by the original number
139 - 218 = -79
-79 ÷ 218 = -0.3623853211009174
-0.3623853211009174 x 100 = -36.24%