-43.66% is the change from 710 to 400
Calculation steps:
[( 400 - 710 ) ÷ 710] x 100 = -43.66%
Formula
Percentage change = [(400 - 710) / 710] x 100
Subtract the new number by the original number
400 - 710 = -310
-310 ÷ 710 = -0.43661971830985913
-0.43661971830985913 x 100 = -43.66%