-53.49% is the change from 817 to 380
Calculation steps:
[( 380 - 817 ) ÷ 817] x 100 = -53.49%
Formula
Percentage change = [(380 - 817) / 817] x 100
Subtract the new number by the original number
380 - 817 = -437
-437 ÷ 817 = -0.5348837209302325
-0.5348837209302325 x 100 = -53.49%