-87.95% is the change from 307 to 37
Calculation steps:
[( 37 - 307 ) ÷ 307] x 100 = -87.95%
Formula
Percentage change = [(37 - 307) / 307] x 100
Subtract the new number by the original number
37 - 307 = -270
-270 ÷ 307 = -0.8794788273615635
-0.8794788273615635 x 100 = -87.95%