-47.95% is the change from 611 to 318
Calculation steps:
[( 318 - 611 ) ÷ 611] x 100 = -47.95%
Formula
Percentage change = [(318 - 611) / 611] x 100
Subtract the new number by the original number
318 - 611 = -293
-293 ÷ 611 = -0.4795417348608838
-0.4795417348608838 x 100 = -47.95%