-22.6% is the change from 655 to 507
Calculation steps:
[( 507 - 655 ) ÷ 655] x 100 = -22.6%
Formula
Percentage change = [(507 - 655) / 655] x 100
Subtract the new number by the original number
507 - 655 = -148
-148 ÷ 655 = -0.22595419847328244
-0.22595419847328244 x 100 = -22.6%