372.86% is the change from 70 to 331
Calculation steps:
[( 331 - 70 ) ÷ 70] x 100 = 372.86%
Formula
Percentage change = [(331 - 70) / 70] x 100
Subtract the new number by the original number
331 - 70 = 261
261 ÷ 70 = 3.7285714285714286
3.7285714285714286 x 100 = 372.86%