-70.54% is the change from 611 to 180
Calculation steps:
[( 180 - 611 ) ÷ 611] x 100 = -70.54%
Formula
Percentage change = [(180 - 611) / 611] x 100
Subtract the new number by the original number
180 - 611 = -431
-431 ÷ 611 = -0.7054009819967266
-0.7054009819967266 x 100 = -70.54%