-84.27% is the change from 534 to 84
Calculation steps:
[( 84 - 534 ) ÷ 534] x 100 = -84.27%
Formula
Percentage change = [(84 - 534) / 534] x 100
Subtract the new number by the original number
84 - 534 = -450
-450 ÷ 534 = -0.8426966292134831
-0.8426966292134831 x 100 = -84.27%