-49.88% is the change from 407 to 204
Calculation steps:
[( 204 - 407 ) ÷ 407] x 100 = -49.88%
Formula
Percentage change = [(204 - 407) / 407] x 100
Subtract the new number by the original number
204 - 407 = -203
-203 ÷ 407 = -0.4987714987714988
-0.4987714987714988 x 100 = -49.88%