0.21% is the change from 971 to 973
Calculation steps:
[( 973 - 971 ) ÷ 971] x 100 = 0.21%
Formula
Percentage change = [(973 - 971) / 971] x 100
Subtract the new number by the original number
973 - 971 = 2
2 ÷ 971 = 0.0020597322348094747
0.0020597322348094747 x 100 = 0.21%