-50.3% is the change from 827 to 411
Calculation steps:
[( 411 - 827 ) ÷ 827] x 100 = -50.3%
Formula
Percentage change = [(411 - 827) / 827] x 100
Subtract the new number by the original number
411 - 827 = -416
-416 ÷ 827 = -0.5030229746070133
-0.5030229746070133 x 100 = -50.3%