-63.03% is the change from 844 to 312
Calculation steps:
[( 312 - 844 ) ÷ 844] x 100 = -63.03%
Formula
Percentage change = [(312 - 844) / 844] x 100
Subtract the new number by the original number
312 - 844 = -532
-532 ÷ 844 = -0.6303317535545023
-0.6303317535545023 x 100 = -63.03%