-50.11% is the change from 910 to 454
Calculation steps:
[( 454 - 910 ) ÷ 910] x 100 = -50.11%
Formula
Percentage change = [(454 - 910) / 910] x 100
Subtract the new number by the original number
454 - 910 = -456
-456 ÷ 910 = -0.5010989010989011
-0.5010989010989011 x 100 = -50.11%