-59.95% is the change from 849 to 340
Calculation steps:
[( 340 - 849 ) ÷ 849] x 100 = -59.95%
Formula
Percentage change = [(340 - 849) / 849] x 100
Subtract the new number by the original number
340 - 849 = -509
-509 ÷ 849 = -0.5995288574793876
-0.5995288574793876 x 100 = -59.95%