-35.88% is the change from 655 to 420
Calculation steps:
[( 420 - 655 ) ÷ 655] x 100 = -35.88%
Formula
Percentage change = [(420 - 655) / 655] x 100
Subtract the new number by the original number
420 - 655 = -235
-235 ÷ 655 = -0.35877862595419846
-0.35877862595419846 x 100 = -35.88%