-5.34% is the change from 281 to 266
Calculation steps:
[( 266 - 281 ) ÷ 281] x 100 = -5.34%
Formula
Percentage change = [(266 - 281) / 281] x 100
Subtract the new number by the original number
266 - 281 = -15
-15 ÷ 281 = -0.05338078291814947
-0.05338078291814947 x 100 = -5.34%