-75.21% is the change from 847 to 210
Calculation steps:
[( 210 - 847 ) ÷ 847] x 100 = -75.21%
Formula
Percentage change = [(210 - 847) / 847] x 100
Subtract the new number by the original number
210 - 847 = -637
-637 ÷ 847 = -0.7520661157024794
-0.7520661157024794 x 100 = -75.21%