-29.21% is the change from 945 to 669
Calculation steps:
[( 669 - 945 ) ÷ 945] x 100 = -29.21%
Formula
Percentage change = [(669 - 945) / 945] x 100
Subtract the new number by the original number
669 - 945 = -276
-276 ÷ 945 = -0.2920634920634921
-0.2920634920634921 x 100 = -29.21%