67.15% is the change from 557 to 931
Calculation steps:
[( 931 - 557 ) ÷ 557] x 100 = 67.15%
Formula
Percentage change = [(931 - 557) / 557] x 100
Subtract the new number by the original number
931 - 557 = 374
374 ÷ 557 = 0.6714542190305206
0.6714542190305206 x 100 = 67.15%