-1.61% is the change from 623 to 613
Calculation steps:
[( 613 - 623 ) ÷ 623] x 100 = -1.61%
Formula
Percentage change = [(613 - 623) / 623] x 100
Subtract the new number by the original number
613 - 623 = -10
-10 ÷ 623 = -0.016051364365971106
-0.016051364365971106 x 100 = -1.61%