85.04% is the change from 528 to 977
Calculation steps:
[( 977 - 528 ) ÷ 528] x 100 = 85.04%
Formula
Percentage change = [(977 - 528) / 528] x 100
Subtract the new number by the original number
977 - 528 = 449
449 ÷ 528 = 0.8503787878787878
0.8503787878787878 x 100 = 85.04%