-10.57% is the change from 246 to 220
Calculation steps:
[( 220 - 246 ) ÷ 246] x 100 = -10.57%
Formula
Percentage change = [(220 - 246) / 246] x 100
Subtract the new number by the original number
220 - 246 = -26
-26 ÷ 246 = -0.10569105691056911
-0.10569105691056911 x 100 = -10.57%