-28.24% is the change from 216 to 155
Calculation steps:
[( 155 - 216 ) ÷ 216] x 100 = -28.24%
Formula
Percentage change = [(155 - 216) / 216] x 100
Subtract the new number by the original number
155 - 216 = -61
-61 ÷ 216 = -0.2824074074074074
-0.2824074074074074 x 100 = -28.24%