-60.75% is the change from 670 to 263
Calculation steps:
[( 263 - 670 ) ÷ 670] x 100 = -60.75%
Formula
Percentage change = [(263 - 670) / 670] x 100
Subtract the new number by the original number
263 - 670 = -407
-407 ÷ 670 = -0.6074626865671642
-0.6074626865671642 x 100 = -60.75%