-10.1% is the change from 693 to 623
Calculation steps:
[( 623 - 693 ) ÷ 693] x 100 = -10.1%
Formula
Percentage change = [(623 - 693) / 693] x 100
Subtract the new number by the original number
623 - 693 = -70
-70 ÷ 693 = -0.10101010101010101
-0.10101010101010101 x 100 = -10.1%