-83.41% is the change from 826 to 137
Calculation steps:
[( 137 - 826 ) ÷ 826] x 100 = -83.41%
Formula
Percentage change = [(137 - 826) / 826] x 100
Subtract the new number by the original number
137 - 826 = -689
-689 ÷ 826 = -0.8341404358353511
-0.8341404358353511 x 100 = -83.41%