-70.17% is the change from 409 to 122
Calculation steps:
[( 122 - 409 ) ÷ 409] x 100 = -70.17%
Formula
Percentage change = [(122 - 409) / 409] x 100
Subtract the new number by the original number
122 - 409 = -287
-287 ÷ 409 = -0.7017114914425427
-0.7017114914425427 x 100 = -70.17%