-61.64% is the change from 219 to 84
Calculation steps:
[( 84 - 219 ) ÷ 219] x 100 = -61.64%
Formula
Percentage change = [(84 - 219) / 219] x 100
Subtract the new number by the original number
84 - 219 = -135
-135 ÷ 219 = -0.6164383561643836
-0.6164383561643836 x 100 = -61.64%