-52.65% is the change from 849 to 402
Calculation steps:
[( 402 - 849 ) ÷ 849] x 100 = -52.65%
Formula
Percentage change = [(402 - 849) / 849] x 100
Subtract the new number by the original number
402 - 849 = -447
-447 ÷ 849 = -0.5265017667844523
-0.5265017667844523 x 100 = -52.65%