-32.06% is the change from 630 to 428
Calculation steps:
[( 428 - 630 ) ÷ 630] x 100 = -32.06%
Formula
Percentage change = [(428 - 630) / 630] x 100
Subtract the new number by the original number
428 - 630 = -202
-202 ÷ 630 = -0.32063492063492066
-0.32063492063492066 x 100 = -32.06%