-38.62% is the change from 668 to 410
Calculation steps:
[( 410 - 668 ) ÷ 668] x 100 = -38.62%
Formula
Percentage change = [(410 - 668) / 668] x 100
Subtract the new number by the original number
410 - 668 = -258
-258 ÷ 668 = -0.38622754491017963
-0.38622754491017963 x 100 = -38.62%