-94.43% is the change from 485 to 27
Calculation steps:
[( 27 - 485 ) ÷ 485] x 100 = -94.43%
Formula
Percentage change = [(27 - 485) / 485] x 100
Subtract the new number by the original number
27 - 485 = -458
-458 ÷ 485 = -0.9443298969072165
-0.9443298969072165 x 100 = -94.43%