-15.65% is the change from 345 to 291
Calculation steps:
[( 291 - 345 ) ÷ 345] x 100 = -15.65%
Formula
Percentage change = [(291 - 345) / 345] x 100
Subtract the new number by the original number
291 - 345 = -54
-54 ÷ 345 = -0.1565217391304348
-0.1565217391304348 x 100 = -15.65%