-23.34% is the change from 814 to 624
Calculation steps:
[( 624 - 814 ) ÷ 814] x 100 = -23.34%
Formula
Percentage change = [(624 - 814) / 814] x 100
Subtract the new number by the original number
624 - 814 = -190
-190 ÷ 814 = -0.2334152334152334
-0.2334152334152334 x 100 = -23.34%