-4.92% is the change from 630 to 599
Calculation steps:
[( 599 - 630 ) ÷ 630] x 100 = -4.92%
Formula
Percentage change = [(599 - 630) / 630] x 100
Subtract the new number by the original number
599 - 630 = -31
-31 ÷ 630 = -0.049206349206349205
-0.049206349206349205 x 100 = -4.92%