-31.34% is the change from 217 to 149
Calculation steps:
[( 149 - 217 ) ÷ 217] x 100 = -31.34%
Formula
Percentage change = [(149 - 217) / 217] x 100
Subtract the new number by the original number
149 - 217 = -68
-68 ÷ 217 = -0.31336405529953915
-0.31336405529953915 x 100 = -31.34%