-43.08% is the change from 910 to 518
Calculation steps:
[( 518 - 910 ) ÷ 910] x 100 = -43.08%
Formula
Percentage change = [(518 - 910) / 910] x 100
Subtract the new number by the original number
518 - 910 = -392
-392 ÷ 910 = -0.4307692307692308
-0.4307692307692308 x 100 = -43.08%