-41.51% is the change from 836 to 489
Calculation steps:
[( 489 - 836 ) ÷ 836] x 100 = -41.51%
Formula
Percentage change = [(489 - 836) / 836] x 100
Subtract the new number by the original number
489 - 836 = -347
-347 ÷ 836 = -0.4150717703349282
-0.4150717703349282 x 100 = -41.51%