-42.88% is the change from 534 to 305
Calculation steps:
[( 305 - 534 ) ÷ 534] x 100 = -42.88%
Formula
Percentage change = [(305 - 534) / 534] x 100
Subtract the new number by the original number
305 - 534 = -229
-229 ÷ 534 = -0.4288389513108614
-0.4288389513108614 x 100 = -42.88%