-53.78% is the change from 820 to 379
Calculation steps:
[( 379 - 820 ) ÷ 820] x 100 = -53.78%
Formula
Percentage change = [(379 - 820) / 820] x 100
Subtract the new number by the original number
379 - 820 = -441
-441 ÷ 820 = -0.5378048780487805
-0.5378048780487805 x 100 = -53.78%