-94.35% is the change from 902 to 51
Calculation steps:
[( 51 - 902 ) ÷ 902] x 100 = -94.35%
Formula
Percentage change = [(51 - 902) / 902] x 100
Subtract the new number by the original number
51 - 902 = -851
-851 ÷ 902 = -0.9434589800443459
-0.9434589800443459 x 100 = -94.35%