-17.56% is the change from 917 to 756
Calculation steps:
[( 756 - 917 ) ÷ 917] x 100 = -17.56%
Formula
Percentage change = [(756 - 917) / 917] x 100
Subtract the new number by the original number
756 - 917 = -161
-161 ÷ 917 = -0.17557251908396945
-0.17557251908396945 x 100 = -17.56%