-18.92% is the change from 650 to 527
Calculation steps:
[( 527 - 650 ) ÷ 650] x 100 = -18.92%
Formula
Percentage change = [(527 - 650) / 650] x 100
Subtract the new number by the original number
527 - 650 = -123
-123 ÷ 650 = -0.18923076923076923
-0.18923076923076923 x 100 = -18.92%