21.52% is the change from 804 to 977
Calculation steps:
[( 977 - 804 ) ÷ 804] x 100 = 21.52%
Formula
Percentage change = [(977 - 804) / 804] x 100
Subtract the new number by the original number
977 - 804 = 173
173 ÷ 804 = 0.21517412935323382
0.21517412935323382 x 100 = 21.52%