-54.37% is the change from 607 to 277
Calculation steps:
[( 277 - 607 ) ÷ 607] x 100 = -54.37%
Formula
Percentage change = [(277 - 607) / 607] x 100
Subtract the new number by the original number
277 - 607 = -330
-330 ÷ 607 = -0.5436573311367381
-0.5436573311367381 x 100 = -54.37%