-49.64% is the change from 822 to 414
Calculation steps:
[( 414 - 822 ) ÷ 822] x 100 = -49.64%
Formula
Percentage change = [(414 - 822) / 822] x 100
Subtract the new number by the original number
414 - 822 = -408
-408 ÷ 822 = -0.49635036496350365
-0.49635036496350365 x 100 = -49.64%