764.86% is the change from 37 to 320
Calculation steps:
[( 320 - 37 ) ÷ 37] x 100 = 764.86%
Formula
Percentage change = [(320 - 37) / 37] x 100
Subtract the new number by the original number
320 - 37 = 283
283 ÷ 37 = 7.648648648648648
7.648648648648648 x 100 = 764.86%