-17.72% is the change from 790 to 650
Calculation steps:
[( 650 - 790 ) ÷ 790] x 100 = -17.72%
Formula
Percentage change = [(650 - 790) / 790] x 100
Subtract the new number by the original number
650 - 790 = -140
-140 ÷ 790 = -0.17721518987341772
-0.17721518987341772 x 100 = -17.72%