-91.04% is the change from 212 to 19
Calculation steps:
[( 19 - 212 ) ÷ 212] x 100 = -91.04%
Formula
Percentage change = [(19 - 212) / 212] x 100
Subtract the new number by the original number
19 - 212 = -193
-193 ÷ 212 = -0.910377358490566
-0.910377358490566 x 100 = -91.04%