-30% is the change from 690 to 483
Calculation steps:
[( 483 - 690 ) ÷ 690] x 100 = -30%
Formula
Percentage change = [(483 - 690) / 690] x 100
Subtract the new number by the original number
483 - 690 = -207
-207 ÷ 690 = -0.3
-0.3 x 100 = -30%
Example