-39.82% is the change from 869 to 523
Calculation steps:
[( 523 - 869 ) ÷ 869] x 100 = -39.82%
Formula
Percentage change = [(523 - 869) / 869] x 100
Subtract the new number by the original number
523 - 869 = -346
-346 ÷ 869 = -0.39815880322209435
-0.39815880322209435 x 100 = -39.82%