-53.96% is the change from 278 to 128
Calculation steps:
[( 128 - 278 ) ÷ 278] x 100 = -53.96%
Formula
Percentage change = [(128 - 278) / 278] x 100
Subtract the new number by the original number
128 - 278 = -150
-150 ÷ 278 = -0.539568345323741
-0.539568345323741 x 100 = -53.96%