-15.59% is the change from 917 to 774
Calculation steps:
[( 774 - 917 ) ÷ 917] x 100 = -15.59%
Formula
Percentage change = [(774 - 917) / 917] x 100
Subtract the new number by the original number
774 - 917 = -143
-143 ÷ 917 = -0.1559432933478735
-0.1559432933478735 x 100 = -15.59%