-45.08% is the change from 630 to 346
Calculation steps:
[( 346 - 630 ) ÷ 630] x 100 = -45.08%
Formula
Percentage change = [(346 - 630) / 630] x 100
Subtract the new number by the original number
346 - 630 = -284
-284 ÷ 630 = -0.4507936507936508
-0.4507936507936508 x 100 = -45.08%