-86.64% is the change from 913 to 122
Calculation steps:
[( 122 - 913 ) ÷ 913] x 100 = -86.64%
Formula
Percentage change = [(122 - 913) / 913] x 100
Subtract the new number by the original number
122 - 913 = -791
-791 ÷ 913 = -0.8663745892661555
-0.8663745892661555 x 100 = -86.64%