-17.98% is the change from 534 to 438
Calculation steps:
[( 438 - 534 ) ÷ 534] x 100 = -17.98%
Formula
Percentage change = [(438 - 534) / 534] x 100
Subtract the new number by the original number
438 - 534 = -96
-96 ÷ 534 = -0.1797752808988764
-0.1797752808988764 x 100 = -17.98%