-17.27% is the change from 915 to 757
Calculation steps:
[( 757 - 915 ) ÷ 915] x 100 = -17.27%
Formula
Percentage change = [(757 - 915) / 915] x 100
Subtract the new number by the original number
757 - 915 = -158
-158 ÷ 915 = -0.1726775956284153
-0.1726775956284153 x 100 = -17.27%