-41.8% is the change from 854 to 497
Calculation steps:
[( 497 - 854 ) ÷ 854] x 100 = -41.8%
Formula
Percentage change = [(497 - 854) / 854] x 100
Subtract the new number by the original number
497 - 854 = -357
-357 ÷ 854 = -0.4180327868852459
-0.4180327868852459 x 100 = -41.8%