-29.21% is the change from 630 to 446
Calculation steps:
[( 446 - 630 ) ÷ 630] x 100 = -29.21%
Formula
Percentage change = [(446 - 630) / 630] x 100
Subtract the new number by the original number
446 - 630 = -184
-184 ÷ 630 = -0.2920634920634921
-0.2920634920634921 x 100 = -29.21%