-34.93% is the change from 959 to 624
Calculation steps:
[( 624 - 959 ) ÷ 959] x 100 = -34.93%
Formula
Percentage change = [(624 - 959) / 959] x 100
Subtract the new number by the original number
624 - 959 = -335
-335 ÷ 959 = -0.34932221063607927
-0.34932221063607927 x 100 = -34.93%