-69.21% is the change from 328 to 101
Calculation steps:
[( 101 - 328 ) ÷ 328] x 100 = -69.21%
Formula
Percentage change = [(101 - 328) / 328] x 100
Subtract the new number by the original number
101 - 328 = -227
-227 ÷ 328 = -0.6920731707317073
-0.6920731707317073 x 100 = -69.21%