-86.15% is the change from 917 to 127
Calculation steps:
[( 127 - 917 ) ÷ 917] x 100 = -86.15%
Formula
Percentage change = [(127 - 917) / 917] x 100
Subtract the new number by the original number
127 - 917 = -790
-790 ÷ 917 = -0.861504907306434
-0.861504907306434 x 100 = -86.15%