-94.09% is the change from 457 to 27
Calculation steps:
[( 27 - 457 ) ÷ 457] x 100 = -94.09%
Formula
Percentage change = [(27 - 457) / 457] x 100
Subtract the new number by the original number
27 - 457 = -430
-430 ÷ 457 = -0.9409190371991247
-0.9409190371991247 x 100 = -94.09%