-66.5% is the change from 409 to 137
Calculation steps:
[( 137 - 409 ) ÷ 409] x 100 = -66.5%
Formula
Percentage change = [(137 - 409) / 409] x 100
Subtract the new number by the original number
137 - 409 = -272
-272 ÷ 409 = -0.6650366748166259
-0.6650366748166259 x 100 = -66.5%