-29.84% is the change from 945 to 663
Calculation steps:
[( 663 - 945 ) ÷ 945] x 100 = -29.84%
Formula
Percentage change = [(663 - 945) / 945] x 100
Subtract the new number by the original number
663 - 945 = -282
-282 ÷ 945 = -0.2984126984126984
-0.2984126984126984 x 100 = -29.84%