267.38% is the change from 187 to 687
Calculation steps:
[( 687 - 187 ) ÷ 187] x 100 = 267.38%
Formula
Percentage change = [(687 - 187) / 187] x 100
Subtract the new number by the original number
687 - 187 = 500
500 ÷ 187 = 2.6737967914438503
2.6737967914438503 x 100 = 267.38%