-84.8% is the change from 533 to 81
Calculation steps:
[( 81 - 533 ) ÷ 533] x 100 = -84.8%
Formula
Percentage change = [(81 - 533) / 533] x 100
Subtract the new number by the original number
81 - 533 = -452
-452 ÷ 533 = -0.8480300187617261
-0.8480300187617261 x 100 = -84.8%