-62.15% is the change from 214 to 81
Calculation steps:
[( 81 - 214 ) ÷ 214] x 100 = -62.15%
Formula
Percentage change = [(81 - 214) / 214] x 100
Subtract the new number by the original number
81 - 214 = -133
-133 ÷ 214 = -0.6214953271028038
-0.6214953271028038 x 100 = -62.15%