-43.01% is the change from 930 to 530
Calculation steps:
[( 530 - 930 ) ÷ 930] x 100 = -43.01%
Formula
Percentage change = [(530 - 930) / 930] x 100
Subtract the new number by the original number
530 - 930 = -400
-400 ÷ 930 = -0.43010752688172044
-0.43010752688172044 x 100 = -43.01%