-21.63% is the change from 624 to 489
Calculation steps:
[( 489 - 624 ) ÷ 624] x 100 = -21.63%
Formula
Percentage change = [(489 - 624) / 624] x 100
Subtract the new number by the original number
489 - 624 = -135
-135 ÷ 624 = -0.21634615384615385
-0.21634615384615385 x 100 = -21.63%