-30.45% is the change from 624 to 434
Calculation steps:
[( 434 - 624 ) ÷ 624] x 100 = -30.45%
Formula
Percentage change = [(434 - 624) / 624] x 100
Subtract the new number by the original number
434 - 624 = -190
-190 ÷ 624 = -0.30448717948717946
-0.30448717948717946 x 100 = -30.45%