-87.18% is the change from 624 to 80
Calculation steps:
[( 80 - 624 ) ÷ 624] x 100 = -87.18%
Formula
Percentage change = [(80 - 624) / 624] x 100
Subtract the new number by the original number
80 - 624 = -544
-544 ÷ 624 = -0.8717948717948718
-0.8717948717948718 x 100 = -87.18%