-32.87% is the change from 216 to 145
Calculation steps:
[( 145 - 216 ) ÷ 216] x 100 = -32.87%
Formula
Percentage change = [(145 - 216) / 216] x 100
Subtract the new number by the original number
145 - 216 = -71
-71 ÷ 216 = -0.3287037037037037
-0.3287037037037037 x 100 = -32.87%