-42.51% is the change from 534 to 307
Calculation steps:
[( 307 - 534 ) ÷ 534] x 100 = -42.51%
Formula
Percentage change = [(307 - 534) / 534] x 100
Subtract the new number by the original number
307 - 534 = -227
-227 ÷ 534 = -0.4250936329588015
-0.4250936329588015 x 100 = -42.51%