-94.45% is the change from 811 to 45
Calculation steps:
[( 45 - 811 ) ÷ 811] x 100 = -94.45%
Formula
Percentage change = [(45 - 811) / 811] x 100
Subtract the new number by the original number
45 - 811 = -766
-766 ÷ 811 = -0.9445129469790382
-0.9445129469790382 x 100 = -94.45%