-91.94% is the change from 211 to 17
Calculation steps:
[( 17 - 211 ) ÷ 211] x 100 = -91.94%
Formula
Percentage change = [(17 - 211) / 211] x 100
Subtract the new number by the original number
17 - 211 = -194
-194 ÷ 211 = -0.919431279620853
-0.919431279620853 x 100 = -91.94%