-73.08% is the change from 988 to 266
Calculation steps:
[( 266 - 988 ) ÷ 988] x 100 = -73.08%
Formula
Percentage change = [(266 - 988) / 988] x 100
Subtract the new number by the original number
266 - 988 = -722
-722 ÷ 988 = -0.7307692307692307
-0.7307692307692307 x 100 = -73.08%