-91.39% is the change from 244 to 21
Calculation steps:
[( 21 - 244 ) ÷ 244] x 100 = -91.39%
Formula
Percentage change = [(21 - 244) / 244] x 100
Subtract the new number by the original number
21 - 244 = -223
-223 ÷ 244 = -0.9139344262295082
-0.9139344262295082 x 100 = -91.39%