-26.51% is the change from 913 to 671
Calculation steps:
[( 671 - 913 ) ÷ 913] x 100 = -26.51%
Formula
Percentage change = [(671 - 913) / 913] x 100
Subtract the new number by the original number
671 - 913 = -242
-242 ÷ 913 = -0.26506024096385544
-0.26506024096385544 x 100 = -26.51%