-51% is the change from 853 to 418
Calculation steps:
[( 418 - 853 ) ÷ 853] x 100 = -51%
Formula
Percentage change = [(418 - 853) / 853] x 100
Subtract the new number by the original number
418 - 853 = -435
-435 ÷ 853 = -0.5099648300117233
-0.5099648300117233 x 100 = -51%