-23.36% is the change from 655 to 502
Calculation steps:
[( 502 - 655 ) ÷ 655] x 100 = -23.36%
Formula
Percentage change = [(502 - 655) / 655] x 100
Subtract the new number by the original number
502 - 655 = -153
-153 ÷ 655 = -0.233587786259542
-0.233587786259542 x 100 = -23.36%