-50.97% is the change from 930 to 456
Calculation steps:
[( 456 - 930 ) ÷ 930] x 100 = -50.97%
Formula
Percentage change = [(456 - 930) / 930] x 100
Subtract the new number by the original number
456 - 930 = -474
-474 ÷ 930 = -0.5096774193548387
-0.5096774193548387 x 100 = -50.97%