-26.83% is the change from 917 to 671
Calculation steps:
[( 671 - 917 ) ÷ 917] x 100 = -26.83%
Formula
Percentage change = [(671 - 917) / 917] x 100
Subtract the new number by the original number
671 - 917 = -246
-246 ÷ 917 = -0.2682660850599782
-0.2682660850599782 x 100 = -26.83%