-92.29% is the change from 350 to 27
Calculation steps:
[( 27 - 350 ) ÷ 350] x 100 = -92.29%
Formula
Percentage change = [(27 - 350) / 350] x 100
Subtract the new number by the original number
27 - 350 = -323
-323 ÷ 350 = -0.9228571428571428
-0.9228571428571428 x 100 = -92.29%