-56.92% is the change from 910 to 392
Calculation steps:
[( 392 - 910 ) ÷ 910] x 100 = -56.92%
Formula
Percentage change = [(392 - 910) / 910] x 100
Subtract the new number by the original number
392 - 910 = -518
-518 ÷ 910 = -0.5692307692307692
-0.5692307692307692 x 100 = -56.92%