-97.96% is the change from 933 to 19
Calculation steps:
[( 19 - 933 ) ÷ 933] x 100 = -97.96%
Formula
Percentage change = [(19 - 933) / 933] x 100
Subtract the new number by the original number
19 - 933 = -914
-914 ÷ 933 = -0.9796355841371919
-0.9796355841371919 x 100 = -97.96%