-54.45% is the change from 821 to 374
Calculation steps:
[( 374 - 821 ) ÷ 821] x 100 = -54.45%
Formula
Percentage change = [(374 - 821) / 821] x 100
Subtract the new number by the original number
374 - 821 = -447
-447 ÷ 821 = -0.5444579780755177
-0.5444579780755177 x 100 = -54.45%