-76.5% is the change from 617 to 145
Calculation steps:
[( 145 - 617 ) ÷ 617] x 100 = -76.5%
Formula
Percentage change = [(145 - 617) / 617] x 100
Subtract the new number by the original number
145 - 617 = -472
-472 ÷ 617 = -0.7649918962722853
-0.7649918962722853 x 100 = -76.5%