-31.94% is the change from 216 to 147
Calculation steps:
[( 147 - 216 ) ÷ 216] x 100 = -31.94%
Formula
Percentage change = [(147 - 216) / 216] x 100
Subtract the new number by the original number
147 - 216 = -69
-69 ÷ 216 = -0.3194444444444444
-0.3194444444444444 x 100 = -31.94%