-94.53% is the change from 494 to 27
Calculation steps:
[( 27 - 494 ) ÷ 494] x 100 = -94.53%
Formula
Percentage change = [(27 - 494) / 494] x 100
Subtract the new number by the original number
27 - 494 = -467
-467 ÷ 494 = -0.9453441295546559
-0.9453441295546559 x 100 = -94.53%