-90.66% is the change from 289 to 27
Calculation steps:
[( 27 - 289 ) ÷ 289] x 100 = -90.66%
Formula
Percentage change = [(27 - 289) / 289] x 100
Subtract the new number by the original number
27 - 289 = -262
-262 ÷ 289 = -0.9065743944636678
-0.9065743944636678 x 100 = -90.66%