978.57% is the change from 70 to 755
Calculation steps:
[( 755 - 70 ) ÷ 70] x 100 = 978.57%
Formula
Percentage change = [(755 - 70) / 70] x 100
Subtract the new number by the original number
755 - 70 = 685
685 ÷ 70 = 9.785714285714286
9.785714285714286 x 100 = 978.57%