-86.33% is the change from 534 to 73
Calculation steps:
[( 73 - 534 ) ÷ 534] x 100 = -86.33%
Formula
Percentage change = [(73 - 534) / 534] x 100
Subtract the new number by the original number
73 - 534 = -461
-461 ÷ 534 = -0.8632958801498127
-0.8632958801498127 x 100 = -86.33%