970% is the change from 70 to 749
Calculation steps:
[( 749 - 70 ) ÷ 70] x 100 = 970%
Formula
Percentage change = [(749 - 70) / 70] x 100
Subtract the new number by the original number
749 - 70 = 679
679 ÷ 70 = 9.7
9.7 x 100 = 970%
Example