-93.6% is the change from 297 to 19
Calculation steps:
[( 19 - 297 ) ÷ 297] x 100 = -93.6%
Formula
Percentage change = [(19 - 297) / 297] x 100
Subtract the new number by the original number
19 - 297 = -278
-278 ÷ 297 = -0.936026936026936
-0.936026936026936 x 100 = -93.6%