-17.09% is the change from 351 to 291
Calculation steps:
[( 291 - 351 ) ÷ 351] x 100 = -17.09%
Formula
Percentage change = [(291 - 351) / 351] x 100
Subtract the new number by the original number
291 - 351 = -60
-60 ÷ 351 = -0.17094017094017094
-0.17094017094017094 x 100 = -17.09%