-94.11% is the change from 662 to 39
Calculation steps:
[( 39 - 662 ) ÷ 662] x 100 = -94.11%
Formula
Percentage change = [(39 - 662) / 662] x 100
Subtract the new number by the original number
39 - 662 = -623
-623 ÷ 662 = -0.9410876132930514
-0.9410876132930514 x 100 = -94.11%