-45.38% is the change from 930 to 508
Calculation steps:
[( 508 - 930 ) ÷ 930] x 100 = -45.38%
Formula
Percentage change = [(508 - 930) / 930] x 100
Subtract the new number by the original number
508 - 930 = -422
-422 ÷ 930 = -0.45376344086021503
-0.45376344086021503 x 100 = -45.38%