-81.85% is the change from 314 to 57
Calculation steps:
[( 57 - 314 ) ÷ 314] x 100 = -81.85%
Formula
Percentage change = [(57 - 314) / 314] x 100
Subtract the new number by the original number
57 - 314 = -257
-257 ÷ 314 = -0.8184713375796179
-0.8184713375796179 x 100 = -81.85%