-16.05% is the change from 623 to 523
Calculation steps:
[( 523 - 623 ) ÷ 623] x 100 = -16.05%
Formula
Percentage change = [(523 - 623) / 623] x 100
Subtract the new number by the original number
523 - 623 = -100
-100 ÷ 623 = -0.16051364365971107
-0.16051364365971107 x 100 = -16.05%