-43.17% is the change from 901 to 512
Calculation steps:
[( 512 - 901 ) ÷ 901] x 100 = -43.17%
Formula
Percentage change = [(512 - 901) / 901] x 100
Subtract the new number by the original number
512 - 901 = -389
-389 ÷ 901 = -0.43174250832408434
-0.43174250832408434 x 100 = -43.17%