91.34% is the change from 508 to 972
Calculation steps:
[( 972 - 508 ) ÷ 508] x 100 = 91.34%
Formula
Percentage change = [(972 - 508) / 508] x 100
Subtract the new number by the original number
972 - 508 = 464
464 ÷ 508 = 0.9133858267716536
0.9133858267716536 x 100 = 91.34%