-63.43% is the change from 350 to 128
Calculation steps:
[( 128 - 350 ) ÷ 350] x 100 = -63.43%
Formula
Percentage change = [(128 - 350) / 350] x 100
Subtract the new number by the original number
128 - 350 = -222
-222 ÷ 350 = -0.6342857142857142
-0.6342857142857142 x 100 = -63.43%