-39.76% is the change from 825 to 497
Calculation steps:
[( 497 - 825 ) ÷ 825] x 100 = -39.76%
Formula
Percentage change = [(497 - 825) / 825] x 100
Subtract the new number by the original number
497 - 825 = -328
-328 ÷ 825 = -0.3975757575757576
-0.3975757575757576 x 100 = -39.76%