-55.33% is the change from 347 to 155
Calculation steps:
[( 155 - 347 ) ÷ 347] x 100 = -55.33%
Formula
Percentage change = [(155 - 347) / 347] x 100
Subtract the new number by the original number
155 - 347 = -192
-192 ÷ 347 = -0.553314121037464
-0.553314121037464 x 100 = -55.33%