-39.74% is the change from 848 to 511
Calculation steps:
[( 511 - 848 ) ÷ 848] x 100 = -39.74%
Formula
Percentage change = [(511 - 848) / 848] x 100
Subtract the new number by the original number
511 - 848 = -337
-337 ÷ 848 = -0.39740566037735847
-0.39740566037735847 x 100 = -39.74%