-38.63% is the change from 844 to 518
Calculation steps:
[( 518 - 844 ) ÷ 844] x 100 = -38.63%
Formula
Percentage change = [(518 - 844) / 844] x 100
Subtract the new number by the original number
518 - 844 = -326
-326 ÷ 844 = -0.3862559241706161
-0.3862559241706161 x 100 = -38.63%