-70.66% is the change from 617 to 181
Calculation steps:
[( 181 - 617 ) ÷ 617] x 100 = -70.66%
Formula
Percentage change = [(181 - 617) / 617] x 100
Subtract the new number by the original number
181 - 617 = -436
-436 ÷ 617 = -0.706645056726094
-0.706645056726094 x 100 = -70.66%