-61.8% is the change from 89 to 34
Calculation steps:
[( 34 - 89 ) ÷ 89] x 100 = -61.8%
Formula
Percentage change = [(34 - 89) / 89] x 100
Subtract the new number by the original number
34 - 89 = -55
-55 ÷ 89 = -0.6179775280898876
-0.6179775280898876 x 100 = -61.8%