-97% is the change from 899 to 27
Calculation steps:
[( 27 - 899 ) ÷ 899] x 100 = -97%
Formula
Percentage change = [(27 - 899) / 899] x 100
Subtract the new number by the original number
27 - 899 = -872
-872 ÷ 899 = -0.9699666295884316
-0.9699666295884316 x 100 = -97%