-38.52% is the change from 662 to 407
Calculation steps:
[( 407 - 662 ) ÷ 662] x 100 = -38.52%
Formula
Percentage change = [(407 - 662) / 662] x 100
Subtract the new number by the original number
407 - 662 = -255
-255 ÷ 662 = -0.3851963746223565
-0.3851963746223565 x 100 = -38.52%