-28.99% is the change from 945 to 671
Calculation steps:
[( 671 - 945 ) ÷ 945] x 100 = -28.99%
Formula
Percentage change = [(671 - 945) / 945] x 100
Subtract the new number by the original number
671 - 945 = -274
-274 ÷ 945 = -0.28994708994708995
-0.28994708994708995 x 100 = -28.99%