-85.07% is the change from 442 to 66
Calculation steps:
[( 66 - 442 ) ÷ 442] x 100 = -85.07%
Formula
Percentage change = [(66 - 442) / 442] x 100
Subtract the new number by the original number
66 - 442 = -376
-376 ÷ 442 = -0.8506787330316742
-0.8506787330316742 x 100 = -85.07%