-75.15% is the change from 849 to 211
Calculation steps:
[( 211 - 849 ) ÷ 849] x 100 = -75.15%
Formula
Percentage change = [(211 - 849) / 849] x 100
Subtract the new number by the original number
211 - 849 = -638
-638 ÷ 849 = -0.751472320376914
-0.751472320376914 x 100 = -75.15%