1314.29% is the change from 70 to 990
Calculation steps:
[( 990 - 70 ) ÷ 70] x 100 = 1314.29%
Formula
Percentage change = [(990 - 70) / 70] x 100
Subtract the new number by the original number
990 - 70 = 920
920 ÷ 70 = 13.142857142857142
13.142857142857142 x 100 = 1314.29%