-55.07% is the change from 601 to 270
Calculation steps:
[( 270 - 601 ) ÷ 601] x 100 = -55.07%
Formula
Percentage change = [(270 - 601) / 601] x 100
Subtract the new number by the original number
270 - 601 = -331
-331 ÷ 601 = -0.5507487520798668
-0.5507487520798668 x 100 = -55.07%