-95.67% is the change from 623 to 27
Calculation steps:
[( 27 - 623 ) ÷ 623] x 100 = -95.67%
Formula
Percentage change = [(27 - 623) / 623] x 100
Subtract the new number by the original number
27 - 623 = -596
-596 ÷ 623 = -0.956661316211878
-0.956661316211878 x 100 = -95.67%