-48.87% is the change from 622 to 318
Calculation steps:
[( 318 - 622 ) ÷ 622] x 100 = -48.87%
Formula
Percentage change = [(318 - 622) / 622] x 100
Subtract the new number by the original number
318 - 622 = -304
-304 ÷ 622 = -0.4887459807073955
-0.4887459807073955 x 100 = -48.87%
Example