-86.12% is the change from 915 to 127
Calculation steps:
[( 127 - 915 ) ÷ 915] x 100 = -86.12%
Formula
Percentage change = [(127 - 915) / 915] x 100
Subtract the new number by the original number
127 - 915 = -788
-788 ÷ 915 = -0.8612021857923498
-0.8612021857923498 x 100 = -86.12%