-39.6% is the change from 846 to 511
Calculation steps:
[( 511 - 846 ) ÷ 846] x 100 = -39.6%
Formula
Percentage change = [(511 - 846) / 846] x 100
Subtract the new number by the original number
511 - 846 = -335
-335 ÷ 846 = -0.3959810874704492
-0.3959810874704492 x 100 = -39.6%