-86.53% is the change from 913 to 123
Calculation steps:
[( 123 - 913 ) ÷ 913] x 100 = -86.53%
Formula
Percentage change = [(123 - 913) / 913] x 100
Subtract the new number by the original number
123 - 913 = -790
-790 ÷ 913 = -0.8652792990142387
-0.8652792990142387 x 100 = -86.53%