-53.27% is the change from 214 to 100
Calculation steps:
[( 100 - 214 ) ÷ 214] x 100 = -53.27%
Formula
Percentage change = [(100 - 214) / 214] x 100
Subtract the new number by the original number
100 - 214 = -114
-114 ÷ 214 = -0.5327102803738317
-0.5327102803738317 x 100 = -53.27%