-54.81% is the change from 821 to 371
Calculation steps:
[( 371 - 821 ) ÷ 821] x 100 = -54.81%
Formula
Percentage change = [(371 - 821) / 821] x 100
Subtract the new number by the original number
371 - 821 = -450
-450 ÷ 821 = -0.5481120584652862
-0.5481120584652862 x 100 = -54.81%