-90.85% is the change from 623 to 57
Calculation steps:
[( 57 - 623 ) ÷ 623] x 100 = -90.85%
Formula
Percentage change = [(57 - 623) / 623] x 100
Subtract the new number by the original number
57 - 623 = -566
-566 ÷ 623 = -0.9085072231139647
-0.9085072231139647 x 100 = -90.85%