89.61% is the change from 77 to 146
Calculation steps:
[( 146 - 77 ) ÷ 77] x 100 = 89.61%
Formula
Percentage change = [(146 - 77) / 77] x 100
Subtract the new number by the original number
146 - 77 = 69
69 ÷ 77 = 0.8961038961038961
0.8961038961038961 x 100 = 89.61%