-26.72% is the change from 247 to 181
Calculation steps:
[( 181 - 247 ) ÷ 247] x 100 = -26.72%
Formula
Percentage change = [(181 - 247) / 247] x 100
Subtract the new number by the original number
181 - 247 = -66
-66 ÷ 247 = -0.26720647773279355
-0.26720647773279355 x 100 = -26.72%