-34.92% is the change from 630 to 410
Calculation steps:
[( 410 - 630 ) ÷ 630] x 100 = -34.92%
Formula
Percentage change = [(410 - 630) / 630] x 100
Subtract the new number by the original number
410 - 630 = -220
-220 ÷ 630 = -0.3492063492063492
-0.3492063492063492 x 100 = -34.92%