-89.25% is the change from 214 to 23
Calculation steps:
[( 23 - 214 ) ÷ 214] x 100 = -89.25%
Formula
Percentage change = [(23 - 214) / 214] x 100
Subtract the new number by the original number
23 - 214 = -191
-191 ÷ 214 = -0.8925233644859814
-0.8925233644859814 x 100 = -89.25%