-52.67% is the change from 655 to 310
Calculation steps:
[( 310 - 655 ) ÷ 655] x 100 = -52.67%
Formula
Percentage change = [(310 - 655) / 655] x 100
Subtract the new number by the original number
310 - 655 = -345
-345 ÷ 655 = -0.5267175572519084
-0.5267175572519084 x 100 = -52.67%