-29.84% is the change from 630 to 442
Calculation steps:
[( 442 - 630 ) ÷ 630] x 100 = -29.84%
Formula
Percentage change = [(442 - 630) / 630] x 100
Subtract the new number by the original number
442 - 630 = -188
-188 ÷ 630 = -0.2984126984126984
-0.2984126984126984 x 100 = -29.84%