890.32% is the change from 31 to 307
Calculation steps:
[( 307 - 31 ) ÷ 31] x 100 = 890.32%
Formula
Percentage change = [(307 - 31) / 31] x 100
Subtract the new number by the original number
307 - 31 = 276
276 ÷ 31 = 8.903225806451612
8.903225806451612 x 100 = 890.32%