-26.74% is the change from 288 to 211
Calculation steps:
[( 211 - 288 ) ÷ 288] x 100 = -26.74%
Formula
Percentage change = [(211 - 288) / 288] x 100
Subtract the new number by the original number
211 - 288 = -77
-77 ÷ 288 = -0.2673611111111111
-0.2673611111111111 x 100 = -26.74%