-29.98% is the change from 407 to 285
Calculation steps:
[( 285 - 407 ) ÷ 407] x 100 = -29.98%
Formula
Percentage change = [(285 - 407) / 407] x 100
Subtract the new number by the original number
285 - 407 = -122
-122 ÷ 407 = -0.29975429975429974
-0.29975429975429974 x 100 = -29.98%