-49.64% is the change from 844 to 425
Calculation steps:
[( 425 - 844 ) ÷ 844] x 100 = -49.64%
Formula
Percentage change = [(425 - 844) / 844] x 100
Subtract the new number by the original number
425 - 844 = -419
-419 ÷ 844 = -0.49644549763033174
-0.49644549763033174 x 100 = -49.64%