-8.51% is the change from 623 to 570
Calculation steps:
[( 570 - 623 ) ÷ 623] x 100 = -8.51%
Formula
Percentage change = [(570 - 623) / 623] x 100
Subtract the new number by the original number
570 - 623 = -53
-53 ÷ 623 = -0.08507223113964688
-0.08507223113964688 x 100 = -8.51%