-91.91% is the change from 235 to 19
Calculation steps:
[( 19 - 235 ) ÷ 235] x 100 = -91.91%
Formula
Percentage change = [(19 - 235) / 235] x 100
Subtract the new number by the original number
19 - 235 = -216
-216 ÷ 235 = -0.9191489361702128
-0.9191489361702128 x 100 = -91.91%