-18.32% is the change from 917 to 749
Calculation steps:
[( 749 - 917 ) ÷ 917] x 100 = -18.32%
Formula
Percentage change = [(749 - 917) / 917] x 100
Subtract the new number by the original number
749 - 917 = -168
-168 ÷ 917 = -0.183206106870229
-0.183206106870229 x 100 = -18.32%