-14.93% is the change from 623 to 530
Calculation steps:
[( 530 - 623 ) ÷ 623] x 100 = -14.93%
Formula
Percentage change = [(530 - 623) / 623] x 100
Subtract the new number by the original number
530 - 623 = -93
-93 ÷ 623 = -0.1492776886035313
-0.1492776886035313 x 100 = -14.93%