-70.19% is the change from 624 to 186
Calculation steps:
[( 186 - 624 ) ÷ 624] x 100 = -70.19%
Formula
Percentage change = [(186 - 624) / 624] x 100
Subtract the new number by the original number
186 - 624 = -438
-438 ÷ 624 = -0.7019230769230769
-0.7019230769230769 x 100 = -70.19%