-94.52% is the change from 930 to 51
Calculation steps:
[( 51 - 930 ) ÷ 930] x 100 = -94.52%
Formula
Percentage change = [(51 - 930) / 930] x 100
Subtract the new number by the original number
51 - 930 = -879
-879 ÷ 930 = -0.9451612903225807
-0.9451612903225807 x 100 = -94.52%