-94.45% is the change from 919 to 51
Calculation steps:
[( 51 - 919 ) ÷ 919] x 100 = -94.45%
Formula
Percentage change = [(51 - 919) / 919] x 100
Subtract the new number by the original number
51 - 919 = -868
-868 ÷ 919 = -0.9445048966267682
-0.9445048966267682 x 100 = -94.45%