-9.97% is the change from 662 to 596
Calculation steps:
[( 596 - 662 ) ÷ 662] x 100 = -9.97%
Formula
Percentage change = [(596 - 662) / 662] x 100
Subtract the new number by the original number
596 - 662 = -66
-66 ÷ 662 = -0.09969788519637462
-0.09969788519637462 x 100 = -9.97%