-74.2% is the change from 624 to 161
Calculation steps:
[( 161 - 624 ) ÷ 624] x 100 = -74.2%
Formula
Percentage change = [(161 - 624) / 624] x 100
Subtract the new number by the original number
161 - 624 = -463
-463 ÷ 624 = -0.7419871794871795
-0.7419871794871795 x 100 = -74.2%