-31.46% is the change from 89 to 61
Calculation steps:
[( 61 - 89 ) ÷ 89] x 100 = -31.46%
Formula
Percentage change = [(61 - 89) / 89] x 100
Subtract the new number by the original number
61 - 89 = -28
-28 ÷ 89 = -0.3146067415730337
-0.3146067415730337 x 100 = -31.46%