-23.38% is the change from 770 to 590
Calculation steps:
[( 590 - 770 ) ÷ 770] x 100 = -23.38%
Formula
Percentage change = [(590 - 770) / 770] x 100
Subtract the new number by the original number
590 - 770 = -180
-180 ÷ 770 = -0.23376623376623376
-0.23376623376623376 x 100 = -23.38%