-14.68% is the change from 770 to 657
Calculation steps:
[( 657 - 770 ) ÷ 770] x 100 = -14.68%
Formula
Percentage change = [(657 - 770) / 770] x 100
Subtract the new number by the original number
657 - 770 = -113
-113 ÷ 770 = -0.14675324675324675
-0.14675324675324675 x 100 = -14.68%