-62.91% is the change from 825 to 306
Calculation steps:
[( 306 - 825 ) ÷ 825] x 100 = -62.91%
Formula
Percentage change = [(306 - 825) / 825] x 100
Subtract the new number by the original number
306 - 825 = -519
-519 ÷ 825 = -0.6290909090909091
-0.6290909090909091 x 100 = -62.91%