-39.03% is the change from 351 to 214
Calculation steps:
[( 214 - 351 ) ÷ 351] x 100 = -39.03%
Formula
Percentage change = [(214 - 351) / 351] x 100
Subtract the new number by the original number
214 - 351 = -137
-137 ÷ 351 = -0.3903133903133903
-0.3903133903133903 x 100 = -39.03%