-89.35% is the change from 216 to 23
Calculation steps:
[( 23 - 216 ) ÷ 216] x 100 = -89.35%
Formula
Percentage change = [(23 - 216) / 216] x 100
Subtract the new number by the original number
23 - 216 = -193
-193 ÷ 216 = -0.8935185185185185
-0.8935185185185185 x 100 = -89.35%