-63.86% is the change from 844 to 305
Calculation steps:
[( 305 - 844 ) ÷ 844] x 100 = -63.86%
Formula
Percentage change = [(305 - 844) / 844] x 100
Subtract the new number by the original number
305 - 844 = -539
-539 ÷ 844 = -0.6386255924170616
-0.6386255924170616 x 100 = -63.86%