-10.16% is the change from 246 to 221
Calculation steps:
[( 221 - 246 ) ÷ 246] x 100 = -10.16%
Formula
Percentage change = [(221 - 246) / 246] x 100
Subtract the new number by the original number
221 - 246 = -25
-25 ÷ 246 = -0.1016260162601626
-0.1016260162601626 x 100 = -10.16%