-55.81% is the change from 611 to 270
Calculation steps:
[( 270 - 611 ) ÷ 611] x 100 = -55.81%
Formula
Percentage change = [(270 - 611) / 611] x 100
Subtract the new number by the original number
270 - 611 = -341
-341 ÷ 611 = -0.55810147299509
-0.55810147299509 x 100 = -55.81%