-81.25% is the change from 352 to 66
Calculation steps:
[( 66 - 352 ) ÷ 352] x 100 = -81.25%
Formula
Percentage change = [(66 - 352) / 352] x 100
Subtract the new number by the original number
66 - 352 = -286
-286 ÷ 352 = -0.8125
-0.8125 x 100 = -81.25%