-54.02% is the change from 994 to 457
Calculation steps:
[( 457 - 994 ) ÷ 994] x 100 = -54.02%
Formula
Percentage change = [(457 - 994) / 994] x 100
Subtract the new number by the original number
457 - 994 = -537
-537 ÷ 994 = -0.540241448692153
-0.540241448692153 x 100 = -54.02%