-35.29% is the change from 221 to 143
Calculation steps:
[( 143 - 221 ) ÷ 221] x 100 = -35.29%
Formula
Percentage change = [(143 - 221) / 221] x 100
Subtract the new number by the original number
143 - 221 = -78
-78 ÷ 221 = -0.35294117647058826
-0.35294117647058826 x 100 = -35.29%