-83.06% is the change from 307 to 52
Calculation steps:
[( 52 - 307 ) ÷ 307] x 100 = -83.06%
Formula
Percentage change = [(52 - 307) / 307] x 100
Subtract the new number by the original number
52 - 307 = -255
-255 ÷ 307 = -0.8306188925081434
-0.8306188925081434 x 100 = -83.06%