-46.63% is the change from 534 to 285
Calculation steps:
[( 285 - 534 ) ÷ 534] x 100 = -46.63%
Formula
Percentage change = [(285 - 534) / 534] x 100
Subtract the new number by the original number
285 - 534 = -249
-249 ÷ 534 = -0.46629213483146065
-0.46629213483146065 x 100 = -46.63%