70.27% is the change from 555 to 945
Calculation steps:
[( 945 - 555 ) ÷ 555] x 100 = 70.27%
Formula
Percentage change = [(945 - 555) / 555] x 100
Subtract the new number by the original number
945 - 555 = 390
390 ÷ 555 = 0.7027027027027027
0.7027027027027027 x 100 = 70.27%