-15.98% is the change from 607 to 510
Calculation steps:
[( 510 - 607 ) ÷ 607] x 100 = -15.98%
Formula
Percentage change = [(510 - 607) / 607] x 100
Subtract the new number by the original number
510 - 607 = -97
-97 ÷ 607 = -0.15980230642504117
-0.15980230642504117 x 100 = -15.98%