-88.78% is the change from 624 to 70
Calculation steps:
[( 70 - 624 ) ÷ 624] x 100 = -88.78%
Formula
Percentage change = [(70 - 624) / 624] x 100
Subtract the new number by the original number
70 - 624 = -554
-554 ÷ 624 = -0.8878205128205128
-0.8878205128205128 x 100 = -88.78%