-15.09% is the change from 623 to 529
Calculation steps:
[( 529 - 623 ) ÷ 623] x 100 = -15.09%
Formula
Percentage change = [(529 - 623) / 623] x 100
Subtract the new number by the original number
529 - 623 = -94
-94 ÷ 623 = -0.1508828250401284
-0.1508828250401284 x 100 = -15.09%