-88.04% is the change from 552 to 66
Calculation steps:
[( 66 - 552 ) ÷ 552] x 100 = -88.04%
Formula
Percentage change = [(66 - 552) / 552] x 100
Subtract the new number by the original number
66 - 552 = -486
-486 ÷ 552 = -0.8804347826086957
-0.8804347826086957 x 100 = -88.04%