-43.31% is the change from 538 to 305
Calculation steps:
[( 305 - 538 ) ÷ 538] x 100 = -43.31%
Formula
Percentage change = [(305 - 538) / 538] x 100
Subtract the new number by the original number
305 - 538 = -233
-233 ÷ 538 = -0.43308550185873607
-0.43308550185873607 x 100 = -43.31%