-27.26% is the change from 917 to 667
Calculation steps:
[( 667 - 917 ) ÷ 917] x 100 = -27.26%
Formula
Percentage change = [(667 - 917) / 917] x 100
Subtract the new number by the original number
667 - 917 = -250
-250 ÷ 917 = -0.27262813522355506
-0.27262813522355506 x 100 = -27.26%