-43.05% is the change from 899 to 512
Calculation steps:
[( 512 - 899 ) ÷ 899] x 100 = -43.05%
Formula
Percentage change = [(512 - 899) / 899] x 100
Subtract the new number by the original number
512 - 899 = -387
-387 ÷ 899 = -0.43047830923248054
-0.43047830923248054 x 100 = -43.05%