-78.13% is the change from 96 to 21
Calculation steps:
[( 21 - 96 ) ÷ 96] x 100 = -78.13%
Formula
Percentage change = [(21 - 96) / 96] x 100
Subtract the new number by the original number
21 - 96 = -75
-75 ÷ 96 = -0.78125
-0.78125 x 100 = -78.13%
Example