-14.86% is the change from 915 to 779
Calculation steps:
[( 779 - 915 ) ÷ 915] x 100 = -14.86%
Formula
Percentage change = [(779 - 915) / 915] x 100
Subtract the new number by the original number
779 - 915 = -136
-136 ÷ 915 = -0.14863387978142076
-0.14863387978142076 x 100 = -14.86%