-68.64% is the change from 405 to 127
Calculation steps:
[( 127 - 405 ) ÷ 405] x 100 = -68.64%
Formula
Percentage change = [(127 - 405) / 405] x 100
Subtract the new number by the original number
127 - 405 = -278
-278 ÷ 405 = -0.6864197530864198
-0.6864197530864198 x 100 = -68.64%