-91.39% is the change from 662 to 57
Calculation steps:
[( 57 - 662 ) ÷ 662] x 100 = -91.39%
Formula
Percentage change = [(57 - 662) / 662] x 100
Subtract the new number by the original number
57 - 662 = -605
-605 ÷ 662 = -0.9138972809667674
-0.9138972809667674 x 100 = -91.39%