-69.23% is the change from 611 to 188
Calculation steps:
[( 188 - 611 ) ÷ 611] x 100 = -69.23%
Formula
Percentage change = [(188 - 611) / 611] x 100
Subtract the new number by the original number
188 - 611 = -423
-423 ÷ 611 = -0.6923076923076923
-0.6923076923076923 x 100 = -69.23%