-71.17% is the change from 281 to 81
Calculation steps:
[( 81 - 281 ) ÷ 281] x 100 = -71.17%
Formula
Percentage change = [(81 - 281) / 281] x 100
Subtract the new number by the original number
81 - 281 = -200
-200 ÷ 281 = -0.7117437722419929
-0.7117437722419929 x 100 = -71.17%