-37.94% is the change from 825 to 512
Calculation steps:
[( 512 - 825 ) ÷ 825] x 100 = -37.94%
Formula
Percentage change = [(512 - 825) / 825] x 100
Subtract the new number by the original number
512 - 825 = -313
-313 ÷ 825 = -0.3793939393939394
-0.3793939393939394 x 100 = -37.94%