244.15% is the change from 188 to 647
Calculation steps:
[( 647 - 188 ) ÷ 188] x 100 = 244.15%
Formula
Percentage change = [(647 - 188) / 188] x 100
Subtract the new number by the original number
647 - 188 = 459
459 ÷ 188 = 2.4414893617021276
2.4414893617021276 x 100 = 244.15%