-55.08% is the change from 630 to 283
Calculation steps:
[( 283 - 630 ) ÷ 630] x 100 = -55.08%
Formula
Percentage change = [(283 - 630) / 630] x 100
Subtract the new number by the original number
283 - 630 = -347
-347 ÷ 630 = -0.5507936507936508
-0.5507936507936508 x 100 = -55.08%