-52.87% is the change from 853 to 402
Calculation steps:
[( 402 - 853 ) ÷ 853] x 100 = -52.87%
Formula
Percentage change = [(402 - 853) / 853] x 100
Subtract the new number by the original number
402 - 853 = -451
-451 ÷ 853 = -0.5287221570926143
-0.5287221570926143 x 100 = -52.87%