-49.53% is the change from 212 to 107
Calculation steps:
[( 107 - 212 ) ÷ 212] x 100 = -49.53%
Formula
Percentage change = [(107 - 212) / 212] x 100
Subtract the new number by the original number
107 - 212 = -105
-105 ÷ 212 = -0.49528301886792453
-0.49528301886792453 x 100 = -49.53%