-85.33% is the change from 552 to 81
Calculation steps:
[( 81 - 552 ) ÷ 552] x 100 = -85.33%
Formula
Percentage change = [(81 - 552) / 552] x 100
Subtract the new number by the original number
81 - 552 = -471
-471 ÷ 552 = -0.8532608695652174
-0.8532608695652174 x 100 = -85.33%