-82.8% is the change from 378 to 65
Calculation steps:
[( 65 - 378 ) ÷ 378] x 100 = -82.8%
Formula
Percentage change = [(65 - 378) / 378] x 100
Subtract the new number by the original number
65 - 378 = -313
-313 ÷ 378 = -0.828042328042328
-0.828042328042328 x 100 = -82.8%