-11.79% is the change from 246 to 217
Calculation steps:
[( 217 - 246 ) ÷ 246] x 100 = -11.79%
Formula
Percentage change = [(217 - 246) / 246] x 100
Subtract the new number by the original number
217 - 246 = -29
-29 ÷ 246 = -0.11788617886178862
-0.11788617886178862 x 100 = -11.79%