-54.05% is the change from 827 to 380
Calculation steps:
[( 380 - 827 ) ÷ 827] x 100 = -54.05%
Formula
Percentage change = [(380 - 827) / 827] x 100
Subtract the new number by the original number
380 - 827 = -447
-447 ÷ 827 = -0.5405078597339782
-0.5405078597339782 x 100 = -54.05%