-85.11% is the change from 826 to 123
Calculation steps:
[( 123 - 826 ) ÷ 826] x 100 = -85.11%
Formula
Percentage change = [(123 - 826) / 826] x 100
Subtract the new number by the original number
123 - 826 = -703
-703 ÷ 826 = -0.851089588377724
-0.851089588377724 x 100 = -85.11%