-49.35% is the change from 616 to 312
Calculation steps:
[( 312 - 616 ) ÷ 616] x 100 = -49.35%
Formula
Percentage change = [(312 - 616) / 616] x 100
Subtract the new number by the original number
312 - 616 = -304
-304 ÷ 616 = -0.4935064935064935
-0.4935064935064935 x 100 = -49.35%