-86.98% is the change from 945 to 123
Calculation steps:
[( 123 - 945 ) ÷ 945] x 100 = -86.98%
Formula
Percentage change = [(123 - 945) / 945] x 100
Subtract the new number by the original number
123 - 945 = -822
-822 ÷ 945 = -0.8698412698412699
-0.8698412698412699 x 100 = -86.98%