-53.84% is the change from 821 to 379
Calculation steps:
[( 379 - 821 ) ÷ 821] x 100 = -53.84%
Formula
Percentage change = [(379 - 821) / 821] x 100
Subtract the new number by the original number
379 - 821 = -442
-442 ÷ 821 = -0.53836784409257
-0.53836784409257 x 100 = -53.84%