-46.49% is the change from 854 to 457
Calculation steps:
[( 457 - 854 ) ÷ 854] x 100 = -46.49%
Formula
Percentage change = [(457 - 854) / 854] x 100
Subtract the new number by the original number
457 - 854 = -397
-397 ÷ 854 = -0.4648711943793911
-0.4648711943793911 x 100 = -46.49%