-50.77% is the change from 849 to 418
Calculation steps:
[( 418 - 849 ) ÷ 849] x 100 = -50.77%
Formula
Percentage change = [(418 - 849) / 849] x 100
Subtract the new number by the original number
418 - 849 = -431
-431 ÷ 849 = -0.5076560659599529
-0.5076560659599529 x 100 = -50.77%