354.42% is the change from 215 to 977
Calculation steps:
[( 977 - 215 ) ÷ 215] x 100 = 354.42%
Formula
Percentage change = [(977 - 215) / 215] x 100
Subtract the new number by the original number
977 - 215 = 762
762 ÷ 215 = 3.5441860465116277
3.5441860465116277 x 100 = 354.42%