-94.4% is the change from 910 to 51
Calculation steps:
[( 51 - 910 ) ÷ 910] x 100 = -94.4%
Formula
Percentage change = [(51 - 910) / 910] x 100
Subtract the new number by the original number
51 - 910 = -859
-859 ÷ 910 = -0.9439560439560439
-0.9439560439560439 x 100 = -94.4%