-23.49% is the change from 281 to 215
Calculation steps:
[( 215 - 281 ) ÷ 281] x 100 = -23.49%
Formula
Percentage change = [(215 - 281) / 281] x 100
Subtract the new number by the original number
215 - 281 = -66
-66 ÷ 281 = -0.23487544483985764
-0.23487544483985764 x 100 = -23.49%