-52.45% is the change from 654 to 311
Calculation steps:
[( 311 - 654 ) ÷ 654] x 100 = -52.45%
Formula
Percentage change = [(311 - 654) / 654] x 100
Subtract the new number by the original number
311 - 654 = -343
-343 ÷ 654 = -0.5244648318042814
-0.5244648318042814 x 100 = -52.45%