-73.77% is the change from 770 to 202
Calculation steps:
[( 202 - 770 ) ÷ 770] x 100 = -73.77%
Formula
Percentage change = [(202 - 770) / 770] x 100
Subtract the new number by the original number
202 - 770 = -568
-568 ÷ 770 = -0.7376623376623377
-0.7376623376623377 x 100 = -73.77%