-57.5% is the change from 607 to 258
Calculation steps:
[( 258 - 607 ) ÷ 607] x 100 = -57.5%
Formula
Percentage change = [(258 - 607) / 607] x 100
Subtract the new number by the original number
258 - 607 = -349
-349 ÷ 607 = -0.5749588138385503
-0.5749588138385503 x 100 = -57.5%