-68.27% is the change from 624 to 198
Calculation steps:
[( 198 - 624 ) ÷ 624] x 100 = -68.27%
Formula
Percentage change = [(198 - 624) / 624] x 100
Subtract the new number by the original number
198 - 624 = -426
-426 ÷ 624 = -0.6826923076923077
-0.6826923076923077 x 100 = -68.27%