249.47% is the change from 188 to 657
Calculation steps:
[( 657 - 188 ) ÷ 188] x 100 = 249.47%
Formula
Percentage change = [(657 - 188) / 188] x 100
Subtract the new number by the original number
657 - 188 = 469
469 ÷ 188 = 2.49468085106383
2.49468085106383 x 100 = 249.47%