-43.2% is the change from 912 to 518
Calculation steps:
[( 518 - 912 ) ÷ 912] x 100 = -43.2%
Formula
Percentage change = [(518 - 912) / 912] x 100
Subtract the new number by the original number
518 - 912 = -394
-394 ÷ 912 = -0.43201754385964913
-0.43201754385964913 x 100 = -43.2%