-82.66% is the change from 623 to 108
Calculation steps:
[( 108 - 623 ) ÷ 623] x 100 = -82.66%
Formula
Percentage change = [(108 - 623) / 623] x 100
Subtract the new number by the original number
108 - 623 = -515
-515 ÷ 623 = -0.826645264847512
-0.826645264847512 x 100 = -82.66%