-63.01% is the change from 346 to 128
Calculation steps:
[( 128 - 346 ) ÷ 346] x 100 = -63.01%
Formula
Percentage change = [(128 - 346) / 346] x 100
Subtract the new number by the original number
128 - 346 = -218
-218 ÷ 346 = -0.630057803468208
-0.630057803468208 x 100 = -63.01%