-93.73% is the change from 814 to 51
Calculation steps:
[( 51 - 814 ) ÷ 814] x 100 = -93.73%
Formula
Percentage change = [(51 - 814) / 814] x 100
Subtract the new number by the original number
51 - 814 = -763
-763 ÷ 814 = -0.9373464373464373
-0.9373464373464373 x 100 = -93.73%