35.44% is the change from 680 to 921
Calculation steps:
[( 921 - 680 ) ÷ 680] x 100 = 35.44%
Formula
Percentage change = [(921 - 680) / 680] x 100
Subtract the new number by the original number
921 - 680 = 241
241 ÷ 680 = 0.35441176470588237
0.35441176470588237 x 100 = 35.44%