-77.74% is the change from 611 to 136
Calculation steps:
[( 136 - 611 ) ÷ 611] x 100 = -77.74%
Formula
Percentage change = [(136 - 611) / 611] x 100
Subtract the new number by the original number
136 - 611 = -475
-475 ÷ 611 = -0.7774140752864157
-0.7774140752864157 x 100 = -77.74%