-23.83% is the change from 407 to 310
Calculation steps:
[( 310 - 407 ) ÷ 407] x 100 = -23.83%
Formula
Percentage change = [(310 - 407) / 407] x 100
Subtract the new number by the original number
310 - 407 = -97
-97 ÷ 407 = -0.23832923832923833
-0.23832923832923833 x 100 = -23.83%