-52.6% is the change from 827 to 392
Calculation steps:
[( 392 - 827 ) ÷ 827] x 100 = -52.6%
Formula
Percentage change = [(392 - 827) / 827] x 100
Subtract the new number by the original number
392 - 827 = -435
-435 ÷ 827 = -0.5259975816203144
-0.5259975816203144 x 100 = -52.6%