-53.13% is the change from 815 to 382
Calculation steps:
[( 382 - 815 ) ÷ 815] x 100 = -53.13%
Formula
Percentage change = [(382 - 815) / 815] x 100
Subtract the new number by the original number
382 - 815 = -433
-433 ÷ 815 = -0.5312883435582823
-0.5312883435582823 x 100 = -53.13%