1962.96% is the change from 27 to 557
Calculation steps:
[( 557 - 27 ) ÷ 27] x 100 = 1962.96%
Formula
Percentage change = [(557 - 27) / 27] x 100
Subtract the new number by the original number
557 - 27 = 530
530 ÷ 27 = 19.62962962962963
19.62962962962963 x 100 = 1962.96%