-30.01% is the change from 853 to 597
Calculation steps:
[( 597 - 853 ) ÷ 853] x 100 = -30.01%
Formula
Percentage change = [(597 - 853) / 853] x 100
Subtract the new number by the original number
597 - 853 = -256
-256 ÷ 853 = -0.30011723329425555
-0.30011723329425555 x 100 = -30.01%