-85.09% is the change from 228 to 34
Calculation steps:
[( 34 - 228 ) ÷ 228] x 100 = -85.09%
Formula
Percentage change = [(34 - 228) / 228] x 100
Subtract the new number by the original number
34 - 228 = -194
-194 ÷ 228 = -0.8508771929824561
-0.8508771929824561 x 100 = -85.09%