-91.25% is the change from 857 to 75
Calculation steps:
[( 75 - 857 ) ÷ 857] x 100 = -91.25%
Formula
Percentage change = [(75 - 857) / 857] x 100
Subtract the new number by the original number
75 - 857 = -782
-782 ÷ 857 = -0.912485414235706
-0.912485414235706 x 100 = -91.25%