-78.93% is the change from 337 to 71
Calculation steps:
[( 71 - 337 ) ÷ 337] x 100 = -78.93%
Formula
Percentage change = [(71 - 337) / 337] x 100
Subtract the new number by the original number
71 - 337 = -266
-266 ÷ 337 = -0.7893175074183977
-0.7893175074183977 x 100 = -78.93%