-34.86% is the change from 545 to 355
Calculation steps:
[( 355 - 545 ) ÷ 545] x 100 = -34.86%
Formula
Percentage change = [(355 - 545) / 545] x 100
Subtract the new number by the original number
355 - 545 = -190
-190 ÷ 545 = -0.3486238532110092
-0.3486238532110092 x 100 = -34.86%