84.34% is the change from 530 to 977
Calculation steps:
[( 977 - 530 ) ÷ 530] x 100 = 84.34%
Formula
Percentage change = [(977 - 530) / 530] x 100
Subtract the new number by the original number
977 - 530 = 447
447 ÷ 530 = 0.8433962264150944
0.8433962264150944 x 100 = 84.34%