-97.09% is the change from 927 to 27
Calculation steps:
[( 27 - 927 ) ÷ 927] x 100 = -97.09%
Formula
Percentage change = [(27 - 927) / 927] x 100
Subtract the new number by the original number
27 - 927 = -900
-900 ÷ 927 = -0.970873786407767
-0.970873786407767 x 100 = -97.09%