665.08% is the change from 126 to 964
Calculation steps:
[( 964 - 126 ) ÷ 126] x 100 = 665.08%
Formula
Percentage change = [(964 - 126) / 126] x 100
Subtract the new number by the original number
964 - 126 = 838
838 ÷ 126 = 6.650793650793651
6.650793650793651 x 100 = 665.08%