-82.53% is the change from 624 to 109
Calculation steps:
[( 109 - 624 ) ÷ 624] x 100 = -82.53%
Formula
Percentage change = [(109 - 624) / 624] x 100
Subtract the new number by the original number
109 - 624 = -515
-515 ÷ 624 = -0.8253205128205128
-0.8253205128205128 x 100 = -82.53%