-66.17% is the change from 405 to 137
Calculation steps:
[( 137 - 405 ) ÷ 405] x 100 = -66.17%
Formula
Percentage change = [(137 - 405) / 405] x 100
Subtract the new number by the original number
137 - 405 = -268
-268 ÷ 405 = -0.6617283950617284
-0.6617283950617284 x 100 = -66.17%