-46.1% is the change from 948 to 511
Calculation steps:
[( 511 - 948 ) ÷ 948] x 100 = -46.1%
Formula
Percentage change = [(511 - 948) / 948] x 100
Subtract the new number by the original number
511 - 948 = -437
-437 ÷ 948 = -0.4609704641350211
-0.4609704641350211 x 100 = -46.1%