-66.99% is the change from 418 to 138
Calculation steps:
[( 138 - 418 ) ÷ 418] x 100 = -66.99%
Formula
Percentage change = [(138 - 418) / 418] x 100
Subtract the new number by the original number
138 - 418 = -280
-280 ÷ 418 = -0.6698564593301436
-0.6698564593301436 x 100 = -66.99%