-62.72% is the change from 228 to 85
Calculation steps:
[( 85 - 228 ) ÷ 228] x 100 = -62.72%
Formula
Percentage change = [(85 - 228) / 228] x 100
Subtract the new number by the original number
85 - 228 = -143
-143 ÷ 228 = -0.6271929824561403
-0.6271929824561403 x 100 = -62.72%