-45.19% is the change from 770 to 422
Calculation steps:
[( 422 - 770 ) ÷ 770] x 100 = -45.19%
Formula
Percentage change = [(422 - 770) / 770] x 100
Subtract the new number by the original number
422 - 770 = -348
-348 ÷ 770 = -0.45194805194805193
-0.45194805194805193 x 100 = -45.19%