-27.15% is the change from 534 to 389
Calculation steps:
[( 389 - 534 ) ÷ 534] x 100 = -27.15%
Formula
Percentage change = [(389 - 534) / 534] x 100
Subtract the new number by the original number
389 - 534 = -145
-145 ÷ 534 = -0.27153558052434457
-0.27153558052434457 x 100 = -27.15%