-63.11% is the change from 347 to 128
Calculation steps:
[( 128 - 347 ) ÷ 347] x 100 = -63.11%
Formula
Percentage change = [(128 - 347) / 347] x 100
Subtract the new number by the original number
128 - 347 = -219
-219 ÷ 347 = -0.6311239193083573
-0.6311239193083573 x 100 = -63.11%