-26.85% is the change from 853 to 624
Calculation steps:
[( 624 - 853 ) ÷ 853] x 100 = -26.85%
Formula
Percentage change = [(624 - 853) / 853] x 100
Subtract the new number by the original number
624 - 853 = -229
-229 ÷ 853 = -0.268464243845252
-0.268464243845252 x 100 = -26.85%