-36.13% is the change from 977 to 624
Calculation steps:
[( 624 - 977 ) ÷ 977] x 100 = -36.13%
Formula
Percentage change = [(624 - 977) / 977] x 100
Subtract the new number by the original number
624 - 977 = -353
-353 ÷ 977 = -0.36131013306038895
-0.36131013306038895 x 100 = -36.13%