-89.29% is the change from 196 to 21
Calculation steps:
[( 21 - 196 ) ÷ 196] x 100 = -89.29%
Formula
Percentage change = [(21 - 196) / 196] x 100
Subtract the new number by the original number
21 - 196 = -175
-175 ÷ 196 = -0.8928571428571429
-0.8928571428571429 x 100 = -89.29%