-38.08% is the change from 407 to 252
Calculation steps:
[( 252 - 407 ) ÷ 407] x 100 = -38.08%
Formula
Percentage change = [(252 - 407) / 407] x 100
Subtract the new number by the original number
252 - 407 = -155
-155 ÷ 407 = -0.3808353808353808
-0.3808353808353808 x 100 = -38.08%