-59.79% is the change from 853 to 343
Calculation steps:
[( 343 - 853 ) ÷ 853] x 100 = -59.79%
Formula
Percentage change = [(343 - 853) / 853] x 100
Subtract the new number by the original number
343 - 853 = -510
-510 ÷ 853 = -0.5978898007033998
-0.5978898007033998 x 100 = -59.79%