-47.33% is the change from 243 to 128
Calculation steps:
[( 128 - 243 ) ÷ 243] x 100 = -47.33%
Formula
Percentage change = [(128 - 243) / 243] x 100
Subtract the new number by the original number
128 - 243 = -115
-115 ÷ 243 = -0.4732510288065844
-0.4732510288065844 x 100 = -47.33%