-69.87% is the change from 624 to 188
Calculation steps:
[( 188 - 624 ) ÷ 624] x 100 = -69.87%
Formula
Percentage change = [(188 - 624) / 624] x 100
Subtract the new number by the original number
188 - 624 = -436
-436 ÷ 624 = -0.6987179487179487
-0.6987179487179487 x 100 = -69.87%