-75.03% is the change from 849 to 212
Calculation steps:
[( 212 - 849 ) ÷ 849] x 100 = -75.03%
Formula
Percentage change = [(212 - 849) / 849] x 100
Subtract the new number by the original number
212 - 849 = -637
-637 ÷ 849 = -0.7502944640753828
-0.7502944640753828 x 100 = -75.03%