70.56% is the change from 557 to 950
Calculation steps:
[( 950 - 557 ) ÷ 557] x 100 = 70.56%
Formula
Percentage change = [(950 - 557) / 557] x 100
Subtract the new number by the original number
950 - 557 = 393
393 ÷ 557 = 0.7055655296229802
0.7055655296229802 x 100 = 70.56%